-5z+6=21

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Solution for -5z+6=21 equation: 



-5z+6=21

We move all terms to the left:

-5z+6-(21)=0

We add all the numbers together, and all the variables

-5z-15=0

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

-5z=15

z=15/-5

z=-3

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