4(a+3)-9(a-1)=-4(2a+9)-16

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Solution for 4(a+3)-9(a-1)=-4(2a+9)-16 equation:


4(a+3)-9(a-1)=-4(2a+9)-16

We simplify the equation to the form, which is simple to understand 
4(a+3)-9(a-1)=-4(2a+9)-16

Reorder the terms in parentheses
+(+4a+12)-9*(a-1)=-4*(2a+9)-16

Remove unnecessary parentheses
+4a+12-9+*(+a-1+)=-4+*(+2a+9+)-16

Reorder the terms in parentheses
+4a+12+(-9a+9)=-4*(2a+9)-16

Remove unnecessary parentheses
+4a+12-9a+9=-4+*(+2a+9+)-16

Reorder the terms in parentheses
+4a+12-9a+9=+(-8a-36)-16

Remove unnecessary parentheses
+4a+12-9a+9=-8a-36-16

We move all terms containing a to the left and all other terms to the right. 
+4a-9a+8a=-36-16-12-9

We simplify left and right side of the equation. 
+3a=-73

We divide both sides of the equation by 3 to get a. 
a=-24.3333333333

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