17-20b-12b=-7-20b

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Solution for 17-20b-12b=-7-20b equation: 



17-20b-12b=-7-20b

We move all terms to the left:

17-20b-12b-(-7-20b)=0

We add all the numbers together, and all the variables

-20b-12b-(-20b-7)+17=0

We add all the numbers together, and all the variables

-32b-(-20b-7)+17=0

We get rid of parentheses

-32b+20b+7+17=0

We add all the numbers together, and all the variables

-12b+24=0

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

-12b=-24

b=-24/-12

b=+2

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