28-21z=-16+1

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Solution for 28-21z=-16+1 equation: 



28-21z=-16+1

We move all terms to the left:

28-21z-(-16+1)=0

We add all the numbers together, and all the variables

-21z+28-(-15)=0

We add all the numbers together, and all the variables

-21z+43=0

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

-21z=-43

z=-43/-21

z=2+1/21

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