84=2x-4(2x-9)

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Solution for 84=2x-4(2x-9) equation:


84=2x-4(2x-9)

We simplify the equation to the form, which is simple to understand 
84=2x-4(2x-9)

Reorder the terms in parentheses
84=2x+(-8x+36)

Remove unnecessary parentheses
+84=+2x-8x+36

We move all terms containing x to the left and all other terms to the right. 
-2x+8x=+36-84

We simplify left and right side of the equation. 
+6x=-48

We divide both sides of the equation by 6 to get x. 
x=-8

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