3b+7=4b-4

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Solution for 3b+7=4b-4 equation: 



3b+7=4b-4

We move all terms to the left:

3b+7-(4b-4)=0

We get rid of parentheses

3b-4b+4+7=0

We add all the numbers together, and all the variables

-1b+11=0

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

-b=-11

b=-11/-1

b=+11

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