-3b-4b=28

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Solution for -3b-4b=28 equation: 



-3b-4b=28

We move all terms to the left:

-3b-4b-(28)=0

We add all the numbers together, and all the variables

-7b-28=0

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

-7b=28

b=28/-7

b=-4

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