Z+3(z+7)=-15

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Solution for Z+3(z+7)=-15 equation: 



+3(Z+7)=-15

We move all terms to the left:

+3(Z+7)-(-15)=0

We add all the numbers together, and all the variables

3(Z+7)+15=0

We multiply parentheses

3Z+21+15=0

We add all the numbers together, and all the variables

3Z+36=0

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

3Z=-36

Z=-36/3

Z=-12

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