SOLUTION: 8x+7y=-6 x=24-5y

Algebra ->  Systems-of-equations -> SOLUTION: 8x+7y=-6 x=24-5y      Log On


   



Question 485942: 8x+7y=-6
x=24-5y

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
8 x + 7 y = -6 .............1
1 x + 5 y = 24 .............2
Eliminate y
multiply (1)by -5
Multiply (2) by 7
-40 x -35 y = 30
7 x + 35 y = 168
Add the two equations
-33 x = 198
/ -33
x = -6
plug value of x in (1)
8 x + 7 y = -6
-48 + 7 y = -6
7 y = -6 + 48
7 y = 42
y = 6