63+3x=138-7x

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Solution for 63+3x=138-7x equation: 



63+3x=138-7x

We move all terms to the left:

63+3x-(138-7x)=0

We add all the numbers together, and all the variables

3x-(-7x+138)+63=0

We get rid of parentheses

3x+7x-138+63=0

We add all the numbers together, and all the variables

10x-75=0

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

10x=75

x=75/10

x=7+1/2

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