3b+12=7-2b

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Solution for 3b+12=7-2b equation:



3b+12=7-2b
We move all terms to the left:
3b+12-(7-2b)=0
We add all the numbers together, and all the variables
3b-(-2b+7)+12=0
We get rid of parentheses
3b+2b-7+12=0
We add all the numbers together, and all the variables
5b+5=0
We move all terms containing b to the left, all other terms to the right
5b=-5
b=-5/5
b=-1

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