SOLUTION: What is 3x+y + -21 x+y= -5 Elimination method...solve for x and y

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Question 965078: What is
3x+y + -21
x+y= -5
Elimination method...solve for x and y
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Subtract eq. 2 from eq. 1,
3x%2By-x-y=-21-%28-5%29
2x=-16
x=-8
Then,
-8%2By=-5
y=3