2b-7=-4

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Solution for 2b-7=-4 equation: 



2b-7=-4

We move all terms to the left:

2b-7-(-4)=0

We add all the numbers together, and all the variables

2b-3=0

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

2b=3

b=3/2

b=1+1/2

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