12z-7z-2=18

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Solution for 12z-7z-2=18 equation:



12z-7z-2=18
We move all terms to the left:
12z-7z-2-(18)=0
We add all the numbers together, and all the variables
5z-20=0
We move all terms containing z to the left, all other terms to the right
5z=20
z=20/5
z=4

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