3z+15=6

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Solution for 3z+15=6 equation: 



3z+15=6

We move all terms to the left:

3z+15-(6)=0

We add all the numbers together, and all the variables

3z+9=0

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

3z=-9

z=-9/3

z=-3

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