3z+6=5z-12

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Solution for 3z+6=5z-12 equation: 



3z+6=5z-12

We move all terms to the left:

3z+6-(5z-12)=0

We get rid of parentheses

3z-5z+12+6=0

We add all the numbers together, and all the variables

-2z+18=0

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

-2z=-18

z=-18/-2

z=+9

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