7.5=2.5(z-2)

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Solution for 7.5=2.5(z-2) equation: 



7.5=2.5(z-2)

We move all terms to the left:

7.5-(2.5(z-2))=0



We calculate terms in parentheses: -(2.5(z-2)), so:

2.5(z-2)

We multiply parentheses

2.5z-5

Back to the equation:

-(2.5z-5)



We get rid of parentheses

-2.5z+5+7.5=0

We add all the numbers together, and all the variables

-2.5z+12.5=0

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

-2.5z=-12.5

z=-12.5/-2.5

z=+5

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