21z-39=z-39

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Solution for 21z-39=z-39 equation:


21z-39=z-39

We simplify the equation to the form, which is simple to understand 
21z-39=z-39

We move all terms containing z to the left and all other terms to the right. 
+21z-1z=-39+39

We simplify left and right side of the equation. 
+20z=0

We divide both sides of the equation by 20 to get z. 
z=0

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