-203=-7(8+3m)

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Solution for -203=-7(8+3m) equation: 



-203=-7(8+3m)

We move all terms to the left:

-203-(-7(8+3m))=0

We add all the numbers together, and all the variables

-(-7(3m+8))-203=0



We calculate terms in parentheses: -(-7(3m+8)), so:

-7(3m+8)

We multiply parentheses

-21m-56

Back to the equation:

-(-21m-56)



We get rid of parentheses

21m+56-203=0

We add all the numbers together, and all the variables

21m-147=0

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

21m=147

m=147/21

m=7

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