2z+4=3z-9

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Solution for 2z+4=3z-9 equation: 



2z+4=3z-9

We move all terms to the left:

2z+4-(3z-9)=0

We get rid of parentheses

2z-3z+9+4=0

We add all the numbers together, and all the variables

-1z+13=0

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

-z=-13

z=-13/-1

z=+13

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