4z-7+z+2=90

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Solution for 4z-7+z+2=90 equation: 



4z-7+z+2=90

We move all terms to the left:

4z-7+z+2-(90)=0

We add all the numbers together, and all the variables

5z-95=0

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

5z=95

z=95/5

z=19

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