SOLUTION: solve using substitution method 4=3x-5 4x+y=23

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Question 184721: solve using substitution method
4=3x-5
4x+y=23
Answer by Alan3354(69443) About Me  (Show Source):
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solve using substitution method
4=3x-5
4x+y=23
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4=3x-5
3x=9
x = 3
--------
4x+y = 23
12+y = 23
y = 11