12+9z=8z-7

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Solution for 12+9z=8z-7 equation:


12+9z=8z-7

We simplify the equation to the form, which is simple to understand 
12+9z=8z-7

We move all terms containing z to the left and all other terms to the right. 
+9z-8z=-7-12

We simplify left and right side of the equation. 
+1z=-19

We divide both sides of the equation by 1 to get z. 
z=-19

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