SOLUTION: The sum of x and y is equal to twice z, and y is 24 less than twice the sum of x and z. what is the value of x?

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Question 345371: The sum of x and y is equal to twice z, and y is 24 less than twice the sum of x and z. what is the value of x?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=2z
y=2(x+z)-24
...
plug the value of y in the first equation
x+2(x+z)-24=2z
x+2x+2z-24=2z
3x-24=2z-2z
3x-24=0
+24
3x=24
/3
x=24/3
x=8