Questions on Algebra: Systems of Linear Equations answered by real tutors!

Tutors Answer Your Questions about Linear-systems (FREE)

Question 508961: how do you put 1/6x-1/15y=-1/3 in y=mx+b format?
Click here to see answer by mananth(16946)

Question 508960: how do you put 1/2x-1/5=-1 in y=mx+b format?

Click here to see answer by Theo(13342)

Question 509092: Solve for x and y
2x + 2y=8
6x - y=10
Click here to see answer by mananth(16946)

Question 509304: hey can you guys help me with this question pleasee(: i need help i gotta solve the linear systym usingg the substitution method... y=3x+2 x+2y=11
Click here to see answer by stanbon(75887)

Question 509433: Cpuld you help me with naming the point on the line when the point-slope form is: y=7-2(x-3)?
Your help is greatly appreciated!
P.S. I got (-5,7) and it was incorrect.
Click here to see answer by richard1234(7193)

Question 509489: -8+3h=1
Click here to see answer by codyred2(1)

Question 509489: -8+3h=1
Click here to see answer by solver91311(24713)

Question 509582: 3n-2 Divided by 5=7/10
Click here to see answer by edjones(8007)

Question 509582: 3n-2 Divided by 5=7/10
Click here to see answer by oberobic(2304)

Question 509611: y=x(ab/a-b) solve for a
Click here to see answer by edjones(8007)

Question 509938: how can i solve for "a"? (5a-3(4-a))/2=5
Click here to see answer by rfer(16322)

Question 510319: Algebra Question...a car dealership sells cars and trucks in a ratio of 7 to 5. Last month the dealership sold 84 cars and trucks. How many cars and how many trucks were sold?
Need 2 equations...
Click here to see answer by rfer(16322)

Question 510724: Please!!! I keep getting 3 different answers. can you please help me break this down
[7(x+5)-19] - [4(x-6)+10]=
Click here to see answer by Alan3354(69443)

Question 510724: Please!!! I keep getting 3 different answers. can you please help me break this down
[7(x+5)-19] - [4(x-6)+10]=
Click here to see answer by rfer(16322)

Question 510874: y=3/8x+5 in standard form
I'm a bit confused as to how to solve.
I attempted and received 3x+y=5 as an answer. Although,Im not sure if this is correct
Thanks for the help.

Click here to see answer by rfer(16322)

Question 510946: Please help me solve this equation:
Click here to see answer by oberobic(2304)

Question 510946: Please help me solve this equation:
Click here to see answer by stanbon(75887)

Question 510991: How do i use linear combinations to solve the
system of this linear equation
2a+6z=4
3a-7z=6
Click here to see answer by stanbon(75887)

Question 511173: 1. x-y=5
2x-5y=5
2. x-y=0
2x+3y=35
3. x-2y=6
3x-2y=2
4. y=2x-3
y=3x-3
Can u gimme the answer of this through substitution method.?
Thanks in Advance.~
Click here to see answer by solver91311(24713)

Question 511175: By graphing,:
1. y-2x=0
x+y=3
2. 2x-y=1
x+2y=-2
3.2x-6=3y
y+2=2/3x
4. 1/2x +y =4
x+2y=8
Can u solve this one.?
thanks in advance.!
Click here to see answer by solver91311(24713)

Question 511205: 5≤ 1/x-9 ≤-3
can some one help me solve this?

Click here to see answer by stanbon(75887)

Question 511243: Using the elimination method, how do I solve this problem: x/2+y/3=-3; x/2+2y=-8. I have tried to use the regular elimination method by adding down the columns, but fractions confuse me so I keep getting the answer wrong. Please help.
Click here to see answer by solver91311(24713)

Question 511503: what is the x-intercept and the y-intercept of the graph of 6x + 3y = 54

Click here to see answer by oberobic(2304)

Question 511483: 8c=6j=5p
Click here to see answer by Alan3354(69443)

Question 511574: Solve the system of equations step by step?
x-2y+3z=-7
4x+5y+z=4
-x+y-2z=5
Click here to see answer by scott8148(6628)

Question 511705: x>3and x>5 how to write it
Click here to see answer by stanbon(75887)

Question 511756: -6x+6y=12 and 6x+y=-12
Click here to see answer by Maths68(1474)

Question 511821: 3/4x + 2/3y=7
3/5x - 1/2y=18
solve by elimination or substitution
I have done this problem 15 times and cannot get the answer. I am doing something wrong and need to see the steps involved more than just the right answer because I don't know what I have done wrong.
Click here to see answer by scott8148(6628)

Question 511938: Solve for y. 10x-9y=3
Click here to see answer by nerdybill(7384)

Question 512498: how do you figure out x=4.3? It's my son's math. I have no clue when there isn't a second number.
Click here to see answer by richard1234(7193)

Question 512729: x=3-3y
x+3y=-6
Click here to see answer by oberobic(2304)

Question 512754: solve the system of equations:
8x-y+z=-23
4x+2y-3z=-16
x-3y+2z=-2
Click here to see answer by stanbon(75887)

Question 512853: write an equation of line ab in slope-intercept form
a- (-4,-3)
b- (2,1)
Click here to see answer by mananth(16946)

Question 512802: solve the system of equations by graghing
x+2y=2
2x+4y=36
Click here to see answer by mananth(16946)

Question 512971: Part A. For the given system, determine the best method (Graphing, Substitution, Addition) for solving.
3x - 2y = 8
x = -2y
Part B. Explain why you chose that method.
Part C. Solve the system. Give the final solution expressed as (x,y) point. (Showing your steps
Click here to see answer by stanbon(75887)

Question 513034: What is the value of the y variable in the solution to the following system of equations?
3x + y = 14
�3x + 2y = 1
Click here to see answer by Maths68(1474)

Question 513232: I don't understand piece-wise functions.
Click here to see answer by richard1234(7193)

Question 513201: Solve inequality
8-9y> -y
Click here to see answer by umail08(87)

Question 513553: Help! Please, Linear Combinations
0.5x + 2.2y = 9
6x + 0.4y = -22
Click here to see answer by mananth(16946)

Question 513699: The sum of two numbers is 30. The first number is twice the second number. What are the numbers?

Click here to see answer by umail08(87)

Question 513941: dan drove 512 miles in 8 hours. what was his average speed for the trip?
Click here to see answer by Alan3354(69443)

Question 513955: 1.
graph x and y intercepts for the equation y=6

2.
y=-x/5
what is the equation in standard form using integers?
Click here to see answer by solver91311(24713)

Question 514072: A thin 30cm candle takes 3h to burn from one end to the other. A thicker candle with the same length takes 5h to burn from one end to the other. If the thicker candle is lit at 7pm, and the thin candle is lit 30 min later, at what time will the candles be at the same height?
Click here to see answer by mananth(16946)

Question 514248: Solve for x: 2x+1/x-3 = 4x+6/2x+3
Explain steps for me please? i like to see where ya get numbers from and/or what you did exactly. Thank you, in advance! :)
Click here to see answer by mananth(16946)

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