3(a-1)=-a

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Solution for 3(a-1)=-a equation:


3(a-1)=-a

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

Reorder the terms in parentheses
+(+3a-3)=-a

Remove unnecessary parentheses
+3a-3=-a

We move all terms containing a to the left and all other terms to the right. 
+3a+1a=+3

We simplify left and right side of the equation. 
+4a=+3

We divide both sides of the equation by 4 to get a. 
a=0.75

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