1.4z-6=3.9z+9

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Solution for 1.4z-6=3.9z+9 equation: 



1.4z-6=3.9z+9

We move all terms to the left:

1.4z-6-(3.9z+9)=0

We get rid of parentheses

1.4z-3.9z-9-6=0

We add all the numbers together, and all the variables

-2.5z-15=0

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

-2.5z=15

z=15/-2.5

z=-6

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