-3(3+7x)-3x=111

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Solution for -3(3+7x)-3x=111 equation:


-3(3+7x)-3x=111

We simplify the equation to the form, which is simple to understand 
-3(3+7x)-3x=111

Reorder the terms in parentheses
+(-9-21x)-3x=111

Remove unnecessary parentheses
-9-21x-3x=+111

We move all terms containing x to the left and all other terms to the right. 
-21x-3x=+111+9

We simplify left and right side of the equation. 
-24x=+120

We divide both sides of the equation by -24 to get x. 
x=-5

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