7+4x=7x-20

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Solution for 7+4x=7x-20 equation:


7+4x=7x-20

We simplify the equation to the form, which is simple to understand 
7+4x=7x-20

We move all terms containing x to the left and all other terms to the right. 
+4x-7x=-20-7

We simplify left and right side of the equation. 
-3x=-27

We divide both sides of the equation by -3 to get x. 
x=9

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