11=7+x

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Solution for 11=7+x equation: 



11=7+x

We move all terms to the left:

11-(7+x)=0

We add all the numbers together, and all the variables

-(x+7)+11=0

We get rid of parentheses

-x-7+11=0

We add all the numbers together, and all the variables

-1x+4=0

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

-x=-4

x=-4/-1

x=+4

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