Answer:
x = 7 and y = -25
Step-by-step explanation:
-5y - 10x = 45
-3y + 10x = -5
The "10x" cancels each other out
Subtract "-5y - (-3y) = 2y"
Subtract "45 - (-5) = 50"
...
-2y = 50
y = -25
Plug into one of the equations
-3(-25) + 10x = -5
75 + 10x = -5
10x = 70
x = 7
