SOLUTION: 2x+x=180 solve for x

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Question 69953: 2x+x=180
solve for x
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
2X+X=180 ADD THE X TERMS
3X=180 DIVIDE BOTH SIDES BY 3
3X/3=180/3
X=60
PROOF
2*60+60=180
120+60=180
180=180