3(4-7k)=30

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Solution for 3(4-7k)=30 equation:


3(4-7k)=30

We simplify the equation to the form, which is simple to understand 
3(4-7k)=30

Reorder the terms in parentheses
+(+12-21k)=30

Remove unnecessary parentheses
+12-21k=+30

We move all terms containing k to the left and all other terms to the right. 
-21k=+30-12

We simplify left and right side of the equation. 
-21k=+18

We divide both sides of the equation by -21 to get k. 
k=-0.857142857143

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