z.z-2.3=4.7

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Solution for z.z-2.3=4.7 equation: 



z.z-2.3=4.7

We move all terms to the left:

z.z-2.3-(4.7)=0

We add all the numbers together, and all the variables

z.z-7=0

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

z.z=7

z=7/1

z=7

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