3+4=8+x

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Solution for 3+4=8+x equation: 



3+4=8+x

We move all terms to the left:

3+4-(8+x)=0

We add all the numbers together, and all the variables

-(x+8)+3+4=0

We add all the numbers together, and all the variables

-(x+8)+7=0

We get rid of parentheses

-x-8+7=0

We add all the numbers together, and all the variables

-1x-1=0

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

-x=1

x=1/-1

x=-1

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