7x-3x+7=(x-4)+20

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Solution for 7x-3x+7=(x-4)+20 equation:


7x-3x+7=(x-4)+20

We simplify the equation to the form, which is simple to understand 
7x-3x+7=(x-4)+20

Remove unnecessary parentheses
7x-3x+7=x-4+20

We move all terms containing x to the left and all other terms to the right. 
+7x-3x-1x=-4+20-7

We simplify left and right side of the equation. 
+3x=+9

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

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