2z+6z=-72

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Solution for 2z+6z=-72 equation: 



2z+6z=-72

We move all terms to the left:

2z+6z-(-72)=0

We add all the numbers together, and all the variables

8z+72=0

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

8z=-72

z=-72/8

z=-9

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