18-10a+15a=-9-5(12-2a)

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Solution for 18-10a+15a=-9-5(12-2a) equation:


18-10a+15a=-9-5(12-2a)

We simplify the equation to the form, which is simple to understand 
18-10a+15a=-9-5(12-2a)

Reorder the terms in parentheses
18-10a+15a=-9+(-60+10a)

Remove unnecessary parentheses
+18-10a+15a=-9-60+10a

We move all terms containing a to the left and all other terms to the right. 
-10a+15a-10a=-9-60-18

We simplify left and right side of the equation. 
-5a=-87

We divide both sides of the equation by -5 to get a. 
a=17.4

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