55-91=7k-3(k-4)

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Solution for 55-91=7k-3(k-4) equation:


55-91=7k-3(k-4)

We simplify the equation to the form, which is simple to understand 
55-91=7k-3(k-4)

Reorder the terms in parentheses
55-91=7k+(-3k+12)

Remove unnecessary parentheses
+55-91=+7k-3k+12

We move all terms containing k to the left and all other terms to the right. 
-7k+3k=+12-55+91

We simplify left and right side of the equation. 
-4k=+48

We divide both sides of the equation by -4 to get k. 
k=-12

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