5z+7=12z-2

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Solution for 5z+7=12z-2 equation: 



5z+7=12z-2

We move all terms to the left:

5z+7-(12z-2)=0

We get rid of parentheses

5z-12z+2+7=0

We add all the numbers together, and all the variables

-7z+9=0

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

-7z=-9

z=-9/-7

z=1+2/7

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