z+27+45=4z+18

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Solution for z+27+45=4z+18 equation: 



z+27+45=4z+18

We move all terms to the left:

z+27+45-(4z+18)=0

We add all the numbers together, and all the variables

z-(4z+18)+72=0

We get rid of parentheses

z-4z-18+72=0

We add all the numbers together, and all the variables

-3z+54=0

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

-3z=-54

z=-54/-3

z=+18

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