12b-25=4b+7

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Solution for 12b-25=4b+7 equation: 



12b-25=4b+7

We move all terms to the left:

12b-25-(4b+7)=0

We get rid of parentheses

12b-4b-7-25=0

We add all the numbers together, and all the variables

8b-32=0

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

8b=32

b=32/8

b=4

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