SOLUTION: solve using the Multiplication principle first then add X=3Y, 5X+14=Y

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Question 88966: solve using the Multiplication principle first then add
X=3Y, 5X+14=Y
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
MULTIPLY THE FIRST EQUATION BY -5 THUS -5X=-15Y NOW ADD:
-5X=-15Y
5X+14=Y
-----------------------
14=-14Y
Y=14/-14
Y=-1 ANSWER.
X=3*-1
X=-3 ANSWER.
PROOF
5*-3+14=-1
-15+14=-1
-1=-1