2(4-7b)=-90

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Solution for 2(4-7b)=-90 equation: 



2(4-7b)=-90

We move all terms to the left:

2(4-7b)-(-90)=0

We add all the numbers together, and all the variables

2(-7b+4)-(-90)=0

We add all the numbers together, and all the variables

2(-7b+4)+90=0

We multiply parentheses

-14b+8+90=0

We add all the numbers together, and all the variables

-14b+98=0

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

-14b=-98

b=-98/-14

b=+7

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