2b-78=b-7

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Solution for 2b-78=b-7 equation: 



2b-78=b-7

We move all terms to the left:

2b-78-(b-7)=0

We get rid of parentheses

2b-b+7-78=0

We add all the numbers together, and all the variables

b-71=0

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

b=71

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