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-16.5+6z=7(3.5z-6.5)
We simplify the equation to the form, which is simple to understand
-16.5+6z=7(3.5z-6.5)
Reorder the terms in parentheses
-16.5+6z=+(+24.5z-45.5)
Remove unnecessary parentheses
-16.5+6z=+24.5z-45.5
We move all terms containing z to the left and all other terms to the right.
+6z-24.5z=-45.5+16.5
We simplify left and right side of the equation.
-18.5z=-29
We divide both sides of the equation by -18.5 to get z.
z=1.5675675675676
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