10b+3b=130

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Solution for 10b+3b=130 equation: 



10b+3b=130

We move all terms to the left:

10b+3b-(130)=0

We add all the numbers together, and all the variables

13b-130=0

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

13b=130

b=130/13

b=10

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