-19=-8(1-2m)-(1+6m)

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Solution for -19=-8(1-2m)-(1+6m) equation: 



-19=-8(1-2m)-(1+6m)

We move all terms to the left:

-19-(-8(1-2m)-(1+6m))=0

We add all the numbers together, and all the variables

-(-8(-2m+1)-(6m+1))-19=0



We calculate terms in parentheses: -(-8(-2m+1)-(6m+1)), so:

-8(-2m+1)-(6m+1)

We multiply parentheses

16m-(6m+1)-8

We get rid of parentheses

16m-6m-1-8

We add all the numbers together, and all the variables

10m-9

Back to the equation:

-(10m-9)



We get rid of parentheses

-10m+9-19=0

We add all the numbers together, and all the variables

-10m-10=0

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

-10m=10

m=10/-10

m=-1

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