z-4z=7z-7-z

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Solution for z-4z=7z-7-z equation:


z-4z=7z-7-z

We simplify the equation to the form, which is simple to understand 
z-4z=7z-7-z

We move all terms containing z to the left and all other terms to the right. 
+1z-4z-7z+1z=-7

We simplify left and right side of the equation. 
-9z=-7

We divide both sides of the equation by -9 to get z. 
z=0.777777777778

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