7z+9(2z-4)=164

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Solution for 7z+9(2z-4)=164 equation:


7z+9(2z-4)=164

We simplify the equation to the form, which is simple to understand 
7z+9(2z-4)=164

Reorder the terms in parentheses
7z+(+18z-36)=164

Remove unnecessary parentheses
+7z+18z-36=+164

We move all terms containing z to the left and all other terms to the right. 
+7z+18z=+164+36

We simplify left and right side of the equation. 
+25z=+200

We divide both sides of the equation by 25 to get z. 
z=8

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