What is the solution of 3x + y = 9 and 3x − 5y = 15?
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3x+y=9. ______ (1)
3x-5y=15. _______. (2)
(-) (+) (-)
--------------
6y= -6
therefore, y= -1
putting value of y in equation (1)
x=10/3
I HOPE IT HELP YOU
3x-5y=15. _______. (2)
(-) (+) (-)
--------------
6y= -6
therefore, y= -1
putting value of y in equation (1)
x=10/3
I HOPE IT HELP YOU
Answered by
0
I hope this answer helps you
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