23=7-x-3x

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Solution for 23=7-x-3x equation: 



23=7-x-3x

We move all terms to the left:

23-(7-x-3x)=0

We add all the numbers together, and all the variables

-(-4x+7)+23=0

We get rid of parentheses

4x-7+23=0

We add all the numbers together, and all the variables

4x+16=0

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

4x=-16

x=-16/4

x=-4

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