-3k=7(k-20)

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Solution for -3k=7(k-20) equation:


-3k=7(k-20)

We simplify the equation to the form, which is simple to understand 
-3k=7(k-20)

Reorder the terms in parentheses
-3k=+(+7k-140)

Remove unnecessary parentheses
-3k=+7k-140

We move all terms containing k to the left and all other terms to the right. 
-3k-7k=-140

We simplify left and right side of the equation. 
-10k=-140

We divide both sides of the equation by -10 to get k. 
k=14

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