(8.3-z)*9=4.5

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Solution for (8.3-z)*9=4.5 equation: 



(8.3-z)*9=4.5

We move all terms to the left:

(8.3-z)*9-(4.5)=0

We add all the numbers together, and all the variables

(-1z+8.3)*9-(4.5)=0

We add all the numbers together, and all the variables

(-1z+8.3)*9-4.5=0

We multiply parentheses

-9z+74.7-4.5=0

We add all the numbers together, and all the variables

-9z+70.2=0

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

-9z=-70.2

z=-70.2/-9

z=7+6/7.5

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