-172=2x-4(5x+7)

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Solution for -172=2x-4(5x+7) equation:


-172=2x-4(5x+7)

We simplify the equation to the form, which is simple to understand 
-172=2x-4(5x+7)

Reorder the terms in parentheses
-172=2x+(-20x-28)

Remove unnecessary parentheses
-172=+2x-20x-28

We move all terms containing x to the left and all other terms to the right. 
-2x+20x=-28+172

We simplify left and right side of the equation. 
+18x=+144

We divide both sides of the equation by 18 to get x. 
x=8

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