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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 473343: Example: Find the point of intersection of the following lines.
x= 32 + y
3x= 8y+ 6
Click here to see answer by MathLover1(20849)

Question 473548: how do i find the x- and y- intercept of the equation y=-(2/3) x-2
Click here to see answer by Theo(13342)

Question 473554: what is the solution set to 4x + 5 = 2x + 33
Click here to see answer by jim_thompson5910(35256)

Question 473549: y=-2x-2-2? in equation of line in point-slope form
Click here to see answer by jim_thompson5910(35256)

Question 473559: solve system linear equations by addition method
4x-3y=1
8x+5y=13
please solve and show work...thanks
Click here to see answer by jorel1380(3719)

Question 473559: solve system linear equations by addition method
4x-3y=1
8x+5y=13
please solve and show work...thanks
Click here to see answer by oberobic(2304)

Question 473562: Write a slope-intercept equation for a line that passes through (3,-9) and (-1,3).
Click here to see answer by jim_thompson5910(35256)

Question 473723: I am trying to solve the problem h(x) = x+17 when h equals h(y+9). So far I have solved for the equation using h(0), h(-1), H(-11), etc. but am struggling with how to solve when a y is involved. Do I solve for y first?
Click here to see answer by Theo(13342)

Question 473907: Identify the slope line as positive or negative
y=-3x

Click here to see answer by jim_thompson5910(35256)

Question 474135: how do I solve
m = -5/7,(4,2)
Click here to see answer by nerdybill(7384)

Question 474227: write the equation of the line passing through (5,8) and the parallel to 8x-9y=10
Click here to see answer by MathLover1(20849)

Question 474251: I need help with labeling each axis of coordinate plane, x intercept, y intercept and vertex

Click here to see answer by rfer(16322)

Question 474254: I need help with labeling x and y intercepts and/or vertex and label each axis of coordinate plane

Click here to see answer by solver91311(24713)

Question 474306: How do I graph the regression equation y=0.15x-28
Click here to see answer by jorel1380(3719)

Question 474314: x+y=5
y-x=5
Solve the system by graphing?
Click here to see answer by jorel1380(3719)

Question 474335: Find the x- and y- intercepts for the equation. Show all of your work. Then graph the equation, -x + 2y = 4. Checking to see if I worked this problem correctly.
Click here to see answer by jorel1380(3719)

Question 474462: So how do i simplify (2xy^3)^4
Click here to see answer by stanbon(75887)

Question 474469: Find the slope if it exists of the line containing the pair of points (8,7) and (10,-10)
Click here to see answer by mananth(16946)

Question 474471: solve using the elimination method.
10x + 11y = -26.5
20x + 5y = -27.5
Click here to see answer by mananth(16946)

Question 474472: Solve using the substitution method.
-x - 3y = -20
5x + 3y = 40
Click here to see answer by mananth(16946)

Question 474547: Solve using the elimination method.
-5x - 7y = 25.5
-2x + 10y = -9
Click here to see answer by sofiyac(983)

Question 474509: I have a linear equation problem that I don't understand like y=2x-5 to find the y coordinates of the points (-2),(4), and (-1) How do I solve this one step by step.

I have another one like 2x + y = -6 how do I solve this one too. Step by step
Click here to see answer by sofiyac(983)

Question 474632: I need help setting up this equation if someone wouldn't mind. Thank you in advance for your help.
To buy a new car and a new house, Tina sought two loans totalling $321,929. The simple interest rate on the first loan was 1.0%, while the simple interest rate on the second loan was 8.8%. At the end of the first year, Tina paid a combined payment of $25,677.83. What were the amounts of the two loans?
Click here to see answer by ankor@dixie-net.com(22740)

Question 474674: 1)State the equation of a line that goes through (2,7) and is parallel to the x axis
Click here to see answer by stanbon(75887)

Question 474658: What is the slope and y-intercept of y=5x-4
Click here to see answer by MathLover1(20849)

Question 474888: 6x+5y= - 5
Click here to see answer by unlockmath(1688)

Question 474953: I need your help
Solution A is 30% acid and solution B is 60% acid. How many gallons of each solution must be used to create a 60 gallons miture that is 50% acid?
Thanks
Click here to see answer by nerdybill(7384)

Question 474952: What is the equation of a line that passes through (7, -2) and has a slope of 3?
Click here to see answer by nerdybill(7384)

Question 474949: Hi, please help me with this:
When an airplane flies with a given wind, it can travel 3,000 kilometer in 5 hours. When the same airplane flies in the opposite directions against the wind, it takes 10 hours to fly the same distance. Find the speed of the plane in still air and the speed of the wind.
Hint: let x = be the speed of the wind still air y = the speed of the wind
Click here to see answer by mananth(16946)

Question 474954: Identify the number of solutions for the systems of equations below.
2x � y = 7
2y = 4x + 16

Click here to see answer by ewatrrr(24785)

Question 474946: Identify the slope-intercept form of the equation of a line which contains the points (�2, �1) and (3, 4).
Dont stand the formula. Just need some practice. But I wanna see the steps you use. Thanks
Click here to see answer by ewatrrr(24785)

Question 474647: how to I solove and graph the equation 7x=4y-28
Click here to see answer by ewatrrr(24785)

Question 475077: Write the equation of the line which passes through (�4, 2) and is parallel to y = �x + 6 in slope-intercept form.
i'm not sure how to start and cant find any problem simlar to this.
Click here to see answer by Alan3354(69443)

Question 475157: I need help solving this equation 0.15x-28
Click here to see answer by rfer(16322)

Question 475167: Given f(x) = �5x + 3, find f(a + 1).
Click here to see answer by MathLover1(20849)

Question 475340: Find the slope if it exists of the line containing the pair of points (1,8) and (9, -6)
Click here to see answer by mananth(16946)

Question 475493: How do you find (f - g)(x) for f(x) = x2 + 10x, and g(x) = - 5x + 3 ?
Click here to see answer by Theo(13342)

Question 475564: I am having a very hard time with Algebra and this really has my mind boggled...please help????? Find the slope if it exists, 5x + 6Y = 30
Click here to see answer by ankor@dixie-net.com(22740)

Question 475578: whats the slope of the coordinates M (9,6), N(1,4) and whats the slope perpendicular to it

Click here to see answer by jim_thompson5910(35256)

Question 475578: whats the slope of the coordinates M (9,6), N(1,4) and whats the slope perpendicular to it

Click here to see answer by MathLover1(20849)

Question 475584: find the x-and y-intercepts for the equation 2x-4y=1 show all work then graph the equation
Click here to see answer by jim_thompson5910(35256)

Question 475577: Given the linear equation y= 6x+2 find the y-coordinates of the points(-1),(-2),& (1). Please show all work. Plot these points & gaph the linear equation.
Click here to see answer by mananth(16946)

Question 475641: HOW DO I FIND THE ORDERED PAIRS FOR Y=X^2 -4
Click here to see answer by Alan3354(69443)

Question 475687: My teacher wants us to plott each problem at least 5 times. I don't understand how to plott. can you show me how to plot for this problem? y=2x+4
Thank you.
Click here to see answer by jim_thompson5910(35256)

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