7z-3z+z=20

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Solution for 7z-3z+z=20 equation:


7z-3z+z=20

We simplify the equation to the form, which is simple to understand 
7z-3z+z=20

We move all terms containing z to the left and all other terms to the right. 
+7z-3z+1z=+20

We simplify left and right side of the equation. 
+5z=+20

We divide both sides of the equation by 5 to get z. 
z=4

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