12z=280-2z

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Solution for 12z=280-2z equation: 



12z=280-2z

We move all terms to the left:

12z-(280-2z)=0

We add all the numbers together, and all the variables

12z-(-2z+280)=0

We get rid of parentheses

12z+2z-280=0

We add all the numbers together, and all the variables

14z-280=0

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

14z=280

z=280/14

z=20

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