2+9b=-18+7b

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Solution for 2+9b=-18+7b equation:



2+9b=-18+7b
We move all terms to the left:
2+9b-(-18+7b)=0
We add all the numbers together, and all the variables
9b-(7b-18)+2=0
We get rid of parentheses
9b-7b+18+2=0
We add all the numbers together, and all the variables
2b+20=0
We move all terms containing b to the left, all other terms to the right
2b=-20
b=-20/2
b=-10

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