7b+8=11b-12

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Solution for 7b+8=11b-12 equation: 



7b+8=11b-12

We move all terms to the left:

7b+8-(11b-12)=0

We get rid of parentheses

7b-11b+12+8=0

We add all the numbers together, and all the variables

-4b+20=0

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

-4b=-20

b=-20/-4

b=+5

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