2.3z+5+3^2=3(z-7)

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Solution for 2.3z+5+3^2=3(z-7) equation: 



2.3z+5+3^2=3(z-7)

We move all terms to the left:

2.3z+5+3^2-(3(z-7))=0

We add all the numbers together, and all the variables

2.3z-(3(z-7))+14=0



We calculate terms in parentheses: -(3(z-7)), so:

3(z-7)

We multiply parentheses

3z-21

Back to the equation:

-(3z-21)



We get rid of parentheses

2.3z-3z+21+14=0

We add all the numbers together, and all the variables

-0.7z+35=0

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

-0.7z=-35

z=-35/-0.7

z=+50

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