Question

Given that: x + y - Z + 100 = 350. If x = 2y
and y = 2z, then z =?
​

Answer 1

Answer:

if x=2y and y=2z

4z+2z-z=350-100

z=250÷5

= 50

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Answer 2

Answer:

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Step-by-step explanation:

x + y - z = 250

x = 2y

and y = 2z

and 2y + y - z = 250

3y - z = 250

3(2z) - z = 250

6z - z =250

5z = 250

z = 50