3z+7=-5

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Solution for 3z+7=-5 equation: 



3z+7=-5

We move all terms to the left:

3z+7-(-5)=0

We add all the numbers together, and all the variables

3z+12=0

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

3z=-12

z=-12/3

z=-4

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