90-3.2=z

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Solution for 90-3.2=z equation: 



90-3.2=z

We move all terms to the left:

90-3.2-(z)=0

We add all the numbers together, and all the variables

-1z+86.8=0

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

-z=-86.8

z=-86.8/-1

z=86+0.8/1

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