28=7x-3(-x-4)

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Solution for 28=7x-3(-x-4) equation:


28=7x-3(-x-4)

We simplify the equation to the form, which is simple to understand 
28=7x-3(-x-4)

Reorder the terms in parentheses
28=7x+(+3x+12)

Remove unnecessary parentheses
+28=+7x+3x+12

We move all terms containing x to the left and all other terms to the right. 
-7x-3x=+12-28

We simplify left and right side of the equation. 
-10x=-16

We divide both sides of the equation by -10 to get x. 
x=1.6

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