18=8z-2(2z-9)

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Solution for 18=8z-2(2z-9) equation:


18=8z-2(2z-9)

We simplify the equation to the form, which is simple to understand 
18=8z-2(2z-9)

Reorder the terms in parentheses
18=8z+(-4z+18)

Remove unnecessary parentheses
+18=+8z-4z+18

We move all terms containing z to the left and all other terms to the right. 
-8z+4z=+18-18

We simplify left and right side of the equation. 
-4z=0

We divide both sides of the equation by -4 to get z. 
z=-0

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