-115=-10-7b

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Solution for -115=-10-7b equation: 



-115=-10-7b

We move all terms to the left:

-115-(-10-7b)=0

We add all the numbers together, and all the variables

-(-7b-10)-115=0

We get rid of parentheses

7b+10-115=0

We add all the numbers together, and all the variables

7b-105=0

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

7b=105

b=105/7

b=15

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