b*2=-12

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Solution for b*2=-12 equation: 



b*2=-12

We move all terms to the left:

b*2-(-12)=0

We add all the numbers together, and all the variables

b*2+12=0

Wy multiply elements

2b+12=0

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

2b=-12

b=-12/2

b=-6

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