-2.1-3z-7.5-z=-3z+7.5

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Solution for -2.1-3z-7.5-z=-3z+7.5 equation: 



-2.1-3z-7.5-z=-3z+7.5

We move all terms to the left:

-2.1-3z-7.5-z-(-3z+7.5)=0

We add all the numbers together, and all the variables

-4z-(-3z+7.5)-9.6=0

We get rid of parentheses

-4z+3z-7.5-9.6=0

We add all the numbers together, and all the variables

-1z-17.1=0

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

-z=17.1

z=17.1/-1

z=-17+0.1/1

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