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-1/2(k+11)=-89
We simplify the equation to the form, which is simple to understand
-1/2(k+11)=-89
Simplifying:
-0.5*(k+11)=-89
Reorder the terms in parentheses
+(-0.5k-5.5)=-89
Remove unnecessary parentheses
-0.5k-5.5=-89
We move all terms containing k to the left and all other terms to the right.
-0.5k=-89+5.5
We simplify left and right side of the equation.
-0.5k=-83.5
We divide both sides of the equation by -0.5 to get k.
k=167
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