87=-3(7a+3)+5a

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Solution for 87=-3(7a+3)+5a equation:


87=-3(7a+3)+5a

We simplify the equation to the form, which is simple to understand 
87=-3(7a+3)+5a

Reorder the terms in parentheses
87=+(-21a-9)+5a

Remove unnecessary parentheses
+87=-21a-9+5a

We move all terms containing a to the left and all other terms to the right. 
+21a-5a=-9-87

We simplify left and right side of the equation. 
+16a=-96

We divide both sides of the equation by 16 to get a. 
a=-6

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