How do you solve z overz plus 2 equals 30 over 42?

Anonymous

∙ 15y ago

Updated: 8/18/2019

Problem:

z/(z + 2) = 30/42

Simplify right hand side by dividing both denominator and numerator by 6:

z/(z + 2) = 5/7

You should see that if z equals 5:

5/(5 + 2) = 5/7

Simplify:

5/7 = 5/7

Answer:

z equals 5.

Wiki User

∙ 15y ago

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