alfonso7guzman7
alfonso7guzman7
Today at 6:09 PM
Mathematics
Answered
Subtitute 2x+y=7 and 3x-y=8
Answer :
taaaaan
taaaaan
Today at 6:14 PM
2x + y =7 (1)
3x-y=8 (2)
(1) + (2)
5x = 15
x = 3
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