7z+4=74

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Solution for 7z+4=74 equation: 



7z+4=74

We move all terms to the left:

7z+4-(74)=0

We add all the numbers together, and all the variables

7z-70=0

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

7z=70

z=70/7

z=10

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