Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

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Question 33439This question is from textbook

: what is x in:
124.8-9.4x=4.8x+32.5This question is from textbook

Click here to see answer by mukhopadhyay(490)

Question 33438This question is from textbook

: what is x in:
-5x=-4x+9This question is from textbook

Click here to see answer by mukhopadhyay(490)

Question 33457This question is from textbook ALGEBRA 1
: please help me with this equation:
i have to use the subtition method to solve the linear system
y=x-4
4x+y=26This question is from textbook ALGEBRA 1

Click here to see answer by mukhopadhyay(490)

Question 33469This question is from textbook

: I sent this in earlier today, but had problems with my e-mail account, so I wasn't able to recieve a reply. I need help with this equation. What does n equal here?
n/10=9-n/5This question is from textbook

Click here to see answer by mszlmb(115)

Question 33468This question is from textbook

: I sent this in earlier today, but had problems with my e-mail account, so I wasn't able to recieve a reply. I need help with this equation. What does x equal here?
x-14=3(x+2)This question is from textbook

Click here to see answer by mszlmb(115)

Question 33468This question is from textbook

Click here to see answer by Earlsdon(4900)

Question 33464This question is from textbook

: I sent this in earlier today, but had problems with my e-mail account, so I wasn't able to recieve a reply. I need help with this equation. What does x equal here?
-5x=-4x+9This question is from textbook

Click here to see answer by mszlmb(115)

Question 33466This question is from textbook

Click here to see answer by mszlmb(115)

Question 33477This question is from textbook

: How do I solve this? Do I need to convert the decimals to whole numbers first, or can I just solve it as is? Here's the problem: 124.8-9.4x=4.8x+32.5This question is from textbook

Click here to see answer by stanbon(26269)

Question 32310: Good Evening Sir , Can you help me in how to solve linear equations in two variables & its Word problems . ( I am having confussion . Tahnk's )
Click here to see answer by mszlmb(115)

Question 33599This question is from textbook Algebra 1
: 3x-2y=11
-x+6y=7This question is from textbook Algebra 1

Click here to see answer by checkley71(8405)

Question 33599This question is from textbook Algebra 1
: 3x-2y=11
-x+6y=7This question is from textbook Algebra 1

Click here to see answer by priya(51)

Question 33593: Solve for y in terms of x
Y-b
____= m for y
X-a
I was thinking the answer is y-b=m(x-a)
but it the question is solve for y in terms of x and I'm not sure if this answer does that.
Thank you
Click here to see answer by Earlsdon(4900)

Question 33637: Graph the following inequality.
You have at least $30 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer.

Click here to see answer by mszlmb(115)

Question 33648: Function notation
if g(x) = -3x + 2, find g(5n)

Click here to see answer by AnlytcPhil(958)

Question 33663: I am having trouble figuring this out. Can someone help? Thanks
Suppose you have $30 in change in your drawer, consisting of dimes and quarters. Let x represent the number of dimes and y the number of quarters. Find an equation using x and y that represents the total quantity of change in your drawer.
Click here to see answer by SmartTutor101(1)

Question 33713: Determine the equation of each line (write in slope-intercept form):
1. The line through (-1, 3) with a slope 1/3.
2. The line through (3, 5) that is parallel to the x-axis.
3. The line through (0, 6) that is parallel to the line 3x + 5y = 15.
4. The line through (8, 0) that is perpendicular to the line x + y = 3.
Click here to see answer by venugopalramana(3286)

Question 33773: find the slope from the given equation: y = (-7/5)x+10
Click here to see answer by Nate(3495)

Question 33823: write the equation of the line from the given slope and Y-intercept:
M=9,Y-intercept=(0,-1) (I got y=9(x)+(-1) )
M=-3,Y-intercept=(0,-8) (I got y=-3(x)+(-8) )
Am I correct? thanks.
Click here to see answer by ice_water35(8)

Question 33821: find the slope from the given equation: 3x+12y=9
Click here to see answer by venugopalramana(3286)

Question 33866This question is from textbook

: I need to solve this.
-3+3x=-2(x+1)This question is from textbook

Click here to see answer by ichudov(404)

Question 33867This question is from textbook

: How do I solve 2(2r-4)/5=3r+6/4-3/2This question is from textbook

Click here to see answer by ichudov(404)

Question 33865This question is from textbook

: I need help solving this problem:
Problem #39: 2x+4=8
This question is from textbook

Click here to see answer by AnlytcPhil(958)

Question 33871This question is from textbook Elementary and Intermediate Algebra

: what is x here?

14=3+2xThis question is from textbook Elementary and Intermediate Algebra

Click here to see answer by ichudov(404)

Question 33870This question is from textbook Elementary and Intermediate Algebra

: Can someone help me solve this problem?
-5a+3=2a+10This question is from textbook Elementary and Intermediate Algebra

Click here to see answer by ichudov(404)

Question 33883: (1,1,) (0,3)
2x+y=3
Click here to see answer by Nate(3495)

Question 33928This question is from textbook

: Please help me solve this equation: 62=z-15This question is from textbook

Click here to see answer by stanbon(26269)

Question 33931This question is from textbook

: I don't undrstand how to solve this
(-1/4)x=3/4. I have a tough time with fractions and I have a tough time with equations. So both of them together are even tougher.This question is from textbook

Click here to see answer by fanism(39)

Question 33931This question is from textbook

: I don't undrstand how to solve this
(-1/4)x=3/4. I have a tough time with fractions and I have a tough time with equations. So both of them together are even tougher.This question is from textbook

Click here to see answer by stanbon(26269)

Question 33930This question is from textbook

: How do I solve this: -a/8=-7This question is from textbook

Click here to see answer by fanism(39)

Question 33933: This is a word problem i do not understand how i figure this out please help sorry for the short notice but it is due in tomorrow which is Tuesday April 18, this question was not in the text book it was a peanuts comic strip with a word problem the teacher gave me..
A man has a daughter and a son.. The son is three years older than the daughter..
In one year the man will be six times as old as the daughter is now, and in ten years he will be fourteen years older than the combined ages of his children now..
What is the present age of the man..
Thanks sooo much for the help.. I really appreciate it.
Click here to see answer by stanbon(26269)

Question 33938: Write each equation in slope-intercept form:
1. 10 - x - 2y = 0
2. y + 8 = -3/4 (x+1)
Determine the equation of each line (write in slope-intercept form)
3. The line through (8, 0) that is perpendicular to the line x + y = 3
4. The line through (0, 6) that is parallel to the line 3x + 5y = 15

Click here to see answer by fanism(39)

Question 33945: A man has a daughter and a son.. The son is three years older than the daughter..
In one year the man will be six times as old as the daughter is now, and in ten years he will be fourteen years older than the combined ages of his children now..
What is the present age of the man..
PLease show me how you figured it out one tutor responded and said it was a negative number but i don't even know how to figure that out.
Click here to see answer by stanbon(26269)

Question 33943: The sum of two numbers is 40 the difference is 8 what are the two numbers ..
I know what the two numbers are.. its 16 and 24 but i dont know how to work the problem out so next time i have to do so how would i show my work or is it just the trial and error method? Thank you so much
Click here to see answer by ice_water35(8)

Question 33991: a lift A can carry 6 more people than a lift B by letting the number of people that B can carry be X state the number of people that A can carry
Click here to see answer by longjonsilver(2297)

Question 34029This question is from textbook Elementary and Intermediate Algebra

: I don't understand how to solve linear equations. What is 'a' in this problem?
-a/8=-7This question is from textbook Elementary and Intermediate Algebra

Click here to see answer by ichudov(404)

Question 34034: Use Cramer's Rule to find the solution set of each system of Linear equations.
10. 4x-3y=5
2x+9y=6
Click here to see answer by venugopalramana(3286)

Question 34033: Use Cramer's Rule to find the solution set of each system of Linear equations.
9. 3x+2y=7
x-3y=17
Click here to see answer by venugopalramana(3286)

Question 34031: Solve the following systems of equations using the augmented matrix.
3. x-y+3z=-1
2x+y-z=0
3x-4y+z=1
Click here to see answer by venugopalramana(3286)

Question 34030: Solve the following systems of equations using the augmented matrix.
3. x-y+3z=-1 4. x+2y+2z=5
2x+y-z=0 2x+4y+7z=19
3x-4y+z=1 -2x-5y+2z=8
Click here to see answer by venugopalramana(3286)

Question 34037This question is from textbook

: how do I get x alone to solve it? 3(x-4)=2(x-8)+5xThis question is from textbook

Click here to see answer by xcentaur(357)

Question 34032This question is from textbook Elementary and Intermediate Algebra

: how do I solve this one?
-1/4x=3/4
This question is from textbook Elementary and Intermediate Algebra

Click here to see answer by xcentaur(357)

Question 34025: what does it mean when it says to write a rule for each function? I have the following
x f(x)
-1 -9
0 -5
1 -1
2 3
I get 1 for x and 4 for f(x) am I going in the right direction?
Click here to see answer by xcentaur(357)

Question 34035This question is from textbook

: what does t equal here? 5/6=5t-4/2
This question is from textbook

Click here to see answer by sarah_adam(201)

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