2b-1=8+5

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Solution for 2b-1=8+5 equation: 



2b-1=8+5

We move all terms to the left:

2b-1-(8+5)=0

We add all the numbers together, and all the variables

2b-1-13=0

We add all the numbers together, and all the variables

2b-14=0

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

2b=14

b=14/2

b=7

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