Question

Solve the following system of equations.

-2x + 5y = 60
x + 5y = 45

Answer 1

-2x + 5y = 60
x + 5y = 45
- - -
===========
-3x=15
x=-5

Answer 2

x + 5y = 45
-5+5y=45
5y=45+5
5y=50
y=10

Answer 3

-2x + 5y = 60 x=5n y=2(n + 6)
x + 5y =45 x=5n y=9 - n

Answer 4

thank you @LieutenantGeneral @uri

Answer 5

You Welcome