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7(m+2.1)=76.3
We move all terms to the left:
7(m+2.1)-(76.3)=0
We add all the numbers together, and all the variables
7(m+2.1)-76.3=0
We multiply parentheses
7m+14.7-76.3=0
We add all the numbers together, and all the variables
7m-61.6=0
We move all terms containing m to the left, all other terms to the right
7m=61.6
m=61.6/7
m=8+3.5/4.375
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