3b-5b+9=29-4b-12

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Solution for 3b-5b+9=29-4b-12 equation: 



3b-5b+9=29-4b-12

We move all terms to the left:

3b-5b+9-(29-4b-12)=0

We add all the numbers together, and all the variables

3b-5b-(-4b+17)+9=0

We add all the numbers together, and all the variables

-2b-(-4b+17)+9=0

We get rid of parentheses

-2b+4b-17+9=0

We add all the numbers together, and all the variables

2b-8=0

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

2b=8

b=8/2

b=4

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