13.9=2.9z

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Solution for 13.9=2.9z equation: 



13.9=2.9z

We move all terms to the left:

13.9-(2.9z)=0

We add all the numbers together, and all the variables

-(+2.9z)+13.9=0

We get rid of parentheses

-2.9z+13.9=0

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

-2.9z=-13.9

z=-13.9/-2.9

z=4+1/1.2608695652174

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