7=7+3x-3x

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


7=7+3x-3x

We simplify the equation to the form, which is simple to understand 
7=7+3x-3x

We move all terms containing x to the left and all other terms to the right. 
-3x+3x=+7-7

We simplify left and right side of the equation. 
0x=0

0=0

This equation is an identity, so all real numbers are solutions.

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