3(a+5)-2(a-4)=-2

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Solution for 3(a+5)-2(a-4)=-2 equation:


3(a+5)-2(a-4)=-2

We simplify the equation to the form, which is simple to understand 
3(a+5)-2(a-4)=-2

Reorder the terms in parentheses
+(+3a+15)-2*(a-4)=-2

Remove unnecessary parentheses
+3a+15-2+*(+a-4+)=-2

Reorder the terms in parentheses
+3a+15+(-2a+8)=-2

Remove unnecessary parentheses
+3a+15-2a+8=-2

We move all terms containing a to the left and all other terms to the right. 
+3a-2a=-2-15-8

We simplify left and right side of the equation. 
+1a=-25

We divide both sides of the equation by 1 to get a. 
a=-25

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