-203=-7(1-7b)

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Solution for -203=-7(1-7b) equation: 



-203=-7(1-7b)

We move all terms to the left:

-203-(-7(1-7b))=0

We add all the numbers together, and all the variables

-(-7(-7b+1))-203=0



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

-7(-7b+1)

We multiply parentheses

49b-7

Back to the equation:

-(49b-7)



We get rid of parentheses

-49b+7-203=0

We add all the numbers together, and all the variables

-49b-196=0

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

-49b=196

b=196/-49

b=-4

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