SOLUTION: x=y+6 y=-2-x My daughter is trying to solve this equation by substitution. I am useless in attempting to help her. We would greatly appreciate you explaining the answer.

SOLUTION: x=y+6 y=-2-x My daughter is trying to solve this equation by substitution. I am useless in attempting to help her. We would greatly appreciate you explaining the answer.

Algebra.Com

Question 148939: x=y+6
y=-2-x
My daughter is trying to solve this equation by substitution. I am useless in attempting to help her. We would greatly appreciate you explaining the answer.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x=y+6
NOW SUBSTITUTE (Y+6) FOR X IN THE OTHER EQUATION.
y=-2-x
Y=-2-(Y+6)
Y=-2-Y-6
Y+Y=-8
2Y=-8
Y=-8/2
Y=-4 ANSWER.
X=-4+6
X=2 ANSWER.
PROOF:
-4=-2-2
-4=-4

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