SOLUTION: in this equation i need to use substitution!! please help me!!! thank you! y=3x x=2y=-21

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Question 62879: in this equation i need to use substitution!!
please help me!!!
thank you!
y=3x
x=2y=-21

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
Y=2X IS A GOOD EQUATION.
HOWEVER X=2Y=-21 IS NOT A VALID EQUATION. TOO MANY = SIGNS. CORRECT & RESUBMIT.