3z-7=7z-5

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Solution for 3z-7=7z-5 equation: 



3z-7=7z-5

We move all terms to the left:

3z-7-(7z-5)=0

We get rid of parentheses

3z-7z+5-7=0

We add all the numbers together, and all the variables

-4z-2=0

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

-4z=2

z=2/-4

z=-1/2

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