2z+3=-9

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Solution for 2z+3=-9 equation: 



2z+3=-9

We move all terms to the left:

2z+3-(-9)=0

We add all the numbers together, and all the variables

2z+12=0

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

2z=-12

z=-12/2

z=-6

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