m-7+2m-21+2m-21=180

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Solution for m-7+2m-21+2m-21=180 equation:



m-7+2m-21+2m-21=180
We move all terms to the left:
m-7+2m-21+2m-21-(180)=0
We add all the numbers together, and all the variables
5m-229=0
We move all terms containing m to the left, all other terms to the right
5m=229
m=229/5
m=45+4/5

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