-49=-8(7-5b)+7(1+5b)

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Solution for -49=-8(7-5b)+7(1+5b) equation: 



-49=-8(7-5b)+7(1+5b)

We move all terms to the left:

-49-(-8(7-5b)+7(1+5b))=0

We add all the numbers together, and all the variables

-(-8(-5b+7)+7(5b+1))-49=0



We calculate terms in parentheses: -(-8(-5b+7)+7(5b+1)), so:

-8(-5b+7)+7(5b+1)

We multiply parentheses

40b+35b-56+7

We add all the numbers together, and all the variables

75b-49

Back to the equation:

-(75b-49)



We get rid of parentheses

-75b+49-49=0

We add all the numbers together, and all the variables

-75b=0

b=0/-75

b=0

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