8z+7=-15

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Solution for 8z+7=-15 equation: 



8z+7=-15

We move all terms to the left:

8z+7-(-15)=0

We add all the numbers together, and all the variables

8z+22=0

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

8z=-22

z=-22/8

z=-2+3/4

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