-21+6k=3(5k-5)-6k

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Solution for -21+6k=3(5k-5)-6k equation:


-21+6k=3(5k-5)-6k

We simplify the equation to the form, which is simple to understand 
-21+6k=3(5k-5)-6k

Reorder the terms in parentheses
-21+6k=+(+15k-15)-6k

Remove unnecessary parentheses
-21+6k=+15k-15-6k

We move all terms containing k to the left and all other terms to the right. 
+6k-15k+6k=-15+21

We simplify left and right side of the equation. 
-3k=+6

We divide both sides of the equation by -3 to get k. 
k=-2

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