SOLUTION: The directions says solve the problems using subsitution. I need help solving y=x+4 y=3x.

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Question 122905This question is from textbook practice workbook
: The directions says solve the problems using subsitution. I need help solving

y=x+4 y=3x. This question is from textbook practice workbook

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
IF Y=X+4 & Y=3X THEN:
X+4=3X
X-3X=-4
-2X=-4
X=-4/-2
X=2 ANSWER.
PROOF.
Y=2+4
Y=6
6=3*2
6=6