5z=21-4

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Solution for 5z=21-4 equation: 



5z=21-4

We move all terms to the left:

5z-(21-4)=0

We add all the numbers together, and all the variables

5z-17=0

We move all terms containing z to the left, all other terms to the right

5z=17

z=17/5

z=3+2/5

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