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3+8m-7m=m+3
We move all terms to the left:
3+8m-7m-(m+3)=0
We add all the numbers together, and all the variables
m-(m+3)+3=0
We get rid of parentheses
m-m-3+3=0
We add all the numbers together, and all the variables
=0
m=0/1
m=0
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