-168=-7x-6(21-7x)

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Solution for -168=-7x-6(21-7x) equation:


-168=-7x-6 (21-7x)

We simplify the equation to the form, which is simple to understand 
-168=-7x-6(21-7x)

Reorder the terms in parentheses
-168=-7x+(-126+42x)

Remove unnecessary parentheses
-168=-7x-126+42x

We move all terms containing x to the left and all other terms to the right. 
+7x-42x=-126+168

We simplify left and right side of the equation. 
-35x=+42

We divide both sides of the equation by -35 to get x. 
x=-1.2

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