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3(k+8)-6=21
We simplify the equation to the form, which is simple to understand
3(k+8)-6=21
Reorder the terms in parentheses
+(+3k+24)-6=21
Remove unnecessary parentheses
+3k+24-6=+21
We move all terms containing k to the left and all other terms to the right.
+3k=+21-24+6
We simplify left and right side of the equation.
+3k=+3
We divide both sides of the equation by 3 to get k.
k=1
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