12=15(z-0.20)

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Solution for 12=15(z-0.20) equation: 



12=15(z-0.20)

We move all terms to the left:

12-(15(z-0.20))=0

We add all the numbers together, and all the variables

-(15(z-0.2))+12=0



We calculate terms in parentheses: -(15(z-0.2)), so:

15(z-0.2)

We multiply parentheses

15z-3

Back to the equation:

-(15z-3)



We get rid of parentheses

-15z+3+12=0

We add all the numbers together, and all the variables

-15z+15=0

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

-15z=-15

z=-15/-15

z=1

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