Z0.4(5x-15)=2.5(x+3)

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Solution for Z0.4(5x-15)=2.5(x+3) equation: 



0.4(5Z-15)=2.5(Z+3)

We move all terms to the left:

0.4(5Z-15)-(2.5(Z+3))=0

We multiply parentheses

2Z-(2.5(Z+3))-6=0



We calculate terms in parentheses: -(2.5(Z+3)), so:

2.5(Z+3)

We multiply parentheses

2.5Z+7.5

Back to the equation:

-(2.5Z+7.5)



We get rid of parentheses

2Z-2.5Z-7.5-6=0

We add all the numbers together, and all the variables

-0.5Z-13.5=0

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

-0.5Z=13.5

Z=13.5/-0.5

Z=-27

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