SOLUTION: x+y=-10 y=x-2

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Question 1019088: x+y=-10
y=x-2
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
For this pair of equations
x+y=-10
y=x-2
substitute the second into the first and get
x + (x-2) = -10
2x - 2 = -10
2x = -8
x = -4
and then
y = x-2 = -4 - 2 = -6