7-b=b-3

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Solution for 7-b=b-3 equation: 



7-b=b-3

We move all terms to the left:

7-b-(b-3)=0

We add all the numbers together, and all the variables

-1b-(b-3)+7=0

We get rid of parentheses

-1b-b+3+7=0

We add all the numbers together, and all the variables

-2b+10=0

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

-2b=-10

b=-10/-2

b=+5

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