2b-9=77

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Solution for 2b-9=77 equation: 



2b-9=77

We move all terms to the left:

2b-9-(77)=0

We add all the numbers together, and all the variables

2b-86=0

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

2b=86

b=86/2

b=43

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