SOLUTION: solve the system by substitution. Having trouble wrapping my brain around these-looked easy at first! 4x+3y=-13 -x+ y=5

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Question 112811This question is from textbook
: solve the system by substitution. Having trouble wrapping my brain around these-looked easy at first!
4x+3y=-13
-x+ y=5
This question is from textbook

Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
4X+3Y=-13 NOW MULTIPLY THE SECOND EQUATION BY 4 & ADD,
-4X+4Y=20
--------------------------
7Y=7
Y=7/7
Y=1 ANSWER.
4X+3*1=-13
4X+3=-13
4X=-13-3
4X=-16
X=-16/4
X=-4

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