SOLUTION: Use the Substitution method to solve the system of equations. x + y = -4 x - y = 2
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Question 329747: Use the Substitution method to solve the system of equations. x + y = -4 x - y = 2
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
ELimination:
Add the equations together.
.
.
.
Then use either equation to solve for y.
.
.
.
Substitution:
From eq. 1,
Substitute into eq. 2,
Then from above,
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