7z-4=8z

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Solution for 7z-4=8z equation:



7z-4=8z
We move all terms to the left:
7z-4-(8z)=0
We add all the numbers together, and all the variables
-1z-4=0
We move all terms containing z to the left, all other terms to the right
-z=4
z=4/-1
z=-4

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