7(4+2m)+7=91

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Solution for 7(4+2m)+7=91 equation: 



7(4+2m)+7=91

We move all terms to the left:

7(4+2m)+7-(91)=0

We add all the numbers together, and all the variables

7(2m+4)+7-91=0

We add all the numbers together, and all the variables

7(2m+4)-84=0

We multiply parentheses

14m+28-84=0

We add all the numbers together, and all the variables

14m-56=0

We move all terms containing m to the left, all other terms to the right

14m=56

m=56/14

m=4

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