SOLUTION: solve using any appropriate method. 5x-9y=7 7y-3x=-5 i rearranged the eqaution so as follows. 5x-9y=7 -3x+7y=-5 then i found a common from 5x and -3x (15) 15x-27y=21 -15x+

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: solve using any appropriate method. 5x-9y=7 7y-3x=-5 i rearranged the eqaution so as follows. 5x-9y=7 -3x+7y=-5 then i found a common from 5x and -3x (15) 15x-27y=21 -15x+      Log On


   

Question 228678: solve using any appropriate method.
5x-9y=7
7y-3x=-5
i rearranged the eqaution so as follows.
5x-9y=7
-3x+7y=-5
then i found a common from 5x and -3x (15)
15x-27y=21
-15x+35y=-25
0 + 8y=-4
8y/8 = -4/8
y = .5
then im lost
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
You're on the right track, but you forgot about the negative sign. The answer for y is y=-1%2F2 or y=-0.5. Now you need to plug this value into either equation to solve for 'x'.