Question

Solve this system. Help please
4x-2y=12
3y-4x=1

Answer ( , )

Answer 1

3y-4x=1 is the same as -4x+3y=1

Answer 2

add the equations to get

4x-2y=12
-4x+3y=1
----------
0x+1y = 13


so 1y = 13 or y = 13

Answer 3

Use this value of y to get the value of x. I'll let you do this.

Answer 4

Or just graph y = 2x/3 + 6 and y=4x/3 + 1/3 and see where they intersect. These are the same equations you have above but I've isolated the y for you. Then set each equal to each other and solve for x like this: 2x/3 + 6 = 4x/3 + 1/3. Now all you need to do is solve for x and then plug into any equation to get y.