8+13b=-13

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Solution for 8+13b=-13 equation: 



8+13b=-13

We move all terms to the left:

8+13b-(-13)=0

We add all the numbers together, and all the variables

13b+21=0

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

13b=-21

b=-21/13

b=-1+8/13

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