z-21=12

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Solution for z-21=12 equation:


z-21=12

We simplify the equation to the form, which is simple to understand 
z-21=12

We move all terms containing z to the left and all other terms to the right. 
+1z=+12+21

We simplify left and right side of the equation. 
+1z=+33

We divide both sides of the equation by 1 to get z. 
z=33

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