3(-4k-7)=-81

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Solution for 3(-4k-7)=-81 equation:


3(-4k-7)=-81

We simplify the equation to the form, which is simple to understand 
3(-4k-7)=-81

Reorder the terms in parentheses
+(-12k-21)=-81

Remove unnecessary parentheses
-12k-21=-81

We move all terms containing k to the left and all other terms to the right. 
-12k=-81+21

We simplify left and right side of the equation. 
-12k=-60

We divide both sides of the equation by -12 to get k. 
k=5

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