-3z+8+(+2z)=-12

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Solution for -3z+8+(+2z)=-12 equation: 



-3z+8+(+2z)=-12

We move all terms to the left:

-3z+8+(+2z)-(-12)=0

We add all the numbers together, and all the variables

-3z+(+2z)+20=0

We get rid of parentheses

-3z+2z+20=0

We add all the numbers together, and all the variables

-1z+20=0

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

-z=-20

z=-20/-1

z=+20

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