Question

Use elimination to solve the system of equations. Enter your answer as an ordered pair; example: (10, -25)

{2x - 5y = -5
-2x + 8y = -58

Answer 1

All you have to do is cancel out each equation:

2x - 5y = -5
-2x + 8y = -58
___________
3y = -63
__ ___
3 3

y= -21

Then just plug it back in:

2x-5(-21)=-5
2x+105=-5
2x=-110
x=-55

Then check:

-2x + 8y = -58
-2(-55)+8(-21)=-58
110-168=-58
-58=-58

So your answer is: (-55, -21)

Answer 2

Je vous remercie