84=-6(3a+4)

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Solution for 84=-6(3a+4) equation:


84=-6(3a+4)

We simplify the equation to the form, which is simple to understand 
84=-6(3a+4)

Reorder the terms in parentheses
84=+(-18a-24)

Remove unnecessary parentheses
+84=-18a-24

We move all terms containing a to the left and all other terms to the right. 
+18a=-24-84

We simplify left and right side of the equation. 
+18a=-108

We divide both sides of the equation by 018 to get a. 
a=-6

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