8.7b+7.2=-2.9

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Solution for 8.7b+7.2=-2.9 equation: 



8.7b+7.2=-2.9

We move all terms to the left:

8.7b+7.2-(-2.9)=0

We add all the numbers together, and all the variables

8.7b+10.1=0

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

8.7b=-10.1

b=-10.1/8.7

b=-1+1/6.2142857142857

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