23+7=12+x

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Solution for 23+7=12+x equation: 



23+7=12+x

We move all terms to the left:

23+7-(12+x)=0

We add all the numbers together, and all the variables

-(x+12)+23+7=0

We add all the numbers together, and all the variables

-(x+12)+30=0

We get rid of parentheses

-x-12+30=0

We add all the numbers together, and all the variables

-1x+18=0

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

-x=-18

x=-18/-1

x=+18

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