7z+1.9+0.1=5.5-0.4z

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Solution for 7z+1.9+0.1=5.5-0.4z equation: 



7z+1.9+0.1=5.5-0.4z

We move all terms to the left:

7z+1.9+0.1-(5.5-0.4z)=0

We add all the numbers together, and all the variables

7z-(-0.4z+5.5)+1.9+0.1=0

We add all the numbers together, and all the variables

7z-(-0.4z+5.5)+2=0

We get rid of parentheses

7z+0.4z-5.5+2=0

We add all the numbers together, and all the variables

7.4z-3.5=0

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

7.4z=3.5

z=3.5/7.4

z=2.33333333333/4.93333333333

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