120=10(2)+b

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Solution for 120=10(2)+b equation: 



120=10(2)+b

We move all terms to the left:

120-(10(2)+b)=0

We add all the numbers together, and all the variables

-(b+102)+120=0

We get rid of parentheses

-b-102+120=0

We add all the numbers together, and all the variables

-1b+18=0

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

-b=-18

b=-18/-1

b=+18

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