43=7+x

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Solution for 43=7+x equation: 



43=7+x

We move all terms to the left:

43-(7+x)=0

We add all the numbers together, and all the variables

-(x+7)+43=0

We get rid of parentheses

-x-7+43=0

We add all the numbers together, and all the variables

-1x+36=0

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

-x=-36

x=-36/-1

x=+36

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