4z-7+9=4

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



4z-7+9=4

We move all terms to the left:

4z-7+9-(4)=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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