7b-3b=4

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Solution for 7b-3b=4 equation: 



7b-3b=4

We move all terms to the left:

7b-3b-(4)=0

We add all the numbers together, and all the variables

4b-4=0

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

4b=4

b=4/4

b=1

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