3(-x-1)=20

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Solution for 3(-x-1)=20 equation:


3(-x-1)=20

We simplify the equation to the form, which is simple to understand 
3(-x-1)=20

Reorder the terms in parentheses
+(-3x-3)=20

Remove unnecessary parentheses
-3x-3=+20

We move all terms containing x to the left and all other terms to the right. 
-3x=+20+3

We simplify left and right side of the equation. 
-3x=+23

We divide both sides of the equation by -3 to get x. 
x=-7.6666666666667

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