12+3=-2b-4

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Solution for 12+3=-2b-4 equation:



12+3=-2b-4
We move all terms to the left:
12+3-(-2b-4)=0
We add all the numbers together, and all the variables
-(-2b-4)+15=0
We get rid of parentheses
2b+4+15=0
We add all the numbers together, and all the variables
2b+19=0
We move all terms containing b to the left, all other terms to the right
2b=-19
b=-19/2
b=-9+1/2

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