4z+9=7z+18

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Solution for 4z+9=7z+18 equation: 



4z+9=7z+18

We move all terms to the left:

4z+9-(7z+18)=0

We get rid of parentheses

4z-7z-18+9=0

We add all the numbers together, and all the variables

-3z-9=0

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

-3z=9

z=9/-3

z=-3

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