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5k-2(2k+1)=8
We simplify the equation to the form, which is simple to understand
5k-2(2k+1)=8
Reorder the terms in parentheses
5k+(-4k-2)=8
Remove unnecessary parentheses
+5k-4k-2=+8
We move all terms containing k to the left and all other terms to the right.
+5k-4k=+8+2
We simplify left and right side of the equation.
+1k=+10
We divide both sides of the equation by 1 to get k.
k=10
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