-7(2b-4)=10-10b+20

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Solution for -7(2b-4)=10-10b+20 equation: 



-7(2b-4)=10-10b+20

We move all terms to the left:

-7(2b-4)-(10-10b+20)=0

We add all the numbers together, and all the variables

-7(2b-4)-(-10b+30)=0

We multiply parentheses

-14b-(-10b+30)+28=0

We get rid of parentheses

-14b+10b-30+28=0

We add all the numbers together, and all the variables

-4b-2=0

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

-4b=2

b=2/-4

b=-1/2

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