-2.5-4.6z=20-3.1z

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Solution for -2.5-4.6z=20-3.1z equation: 



-2.5-4.6z=20-3.1z

We move all terms to the left:

-2.5-4.6z-(20-3.1z)=0

We add all the numbers together, and all the variables

-4.6z-(-3.1z+20)-2.5=0

We get rid of parentheses

-4.6z+3.1z-20-2.5=0

We add all the numbers together, and all the variables

-1.5z-22.5=0

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

-1.5z=22.5

z=22.5/-1.5

z=-15

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