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21+22m=35+15
We move all terms to the left:
21+22m-(35+15)=0
We add all the numbers together, and all the variables
22m+21-50=0
We add all the numbers together, and all the variables
22m-29=0
We move all terms containing m to the left, all other terms to the right
22m=29
m=29/22
m=1+7/22
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