x+3x-7=4x-7

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Solution for x+3x-7=4x-7 equation:


x+3x-7=4x-7

We simplify the equation to the form, which is simple to understand 
x+3x-7=4x-7

We move all terms containing x to the left and all other terms to the right. 
+1x+3x-4x=-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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