4z+5z+4=31

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Solution for 4z+5z+4=31 equation: 



4z+5z+4=31

We move all terms to the left:

4z+5z+4-(31)=0

We add all the numbers together, and all the variables

9z-27=0

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

9z=27

z=27/9

z=3

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