9+38=7+x

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Solution for 9+38=7+x equation: 



9+38=7+x

We move all terms to the left:

9+38-(7+x)=0

We add all the numbers together, and all the variables

-(x+7)+9+38=0

We add all the numbers together, and all the variables

-(x+7)+47=0

We get rid of parentheses

-x-7+47=0

We add all the numbers together, and all the variables

-1x+40=0

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

-x=-40

x=-40/-1

x=+40

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