9z-7=-7

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Solution for 9z-7=-7 equation:


9z-7=-7

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

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

We simplify left and right side of the equation. 
+9z=0

We divide both sides of the equation by 9 to get z. 
z=0

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