3-5z=-21

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Solution for 3-5z=-21 equation: 



3-5z=-21

We move all terms to the left:

3-5z-(-21)=0

We add all the numbers together, and all the variables

-5z+24=0

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

-5z=-24

z=-24/-5

z=4+4/5

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