3x+y=15,2x-y=5 slove by elemination method
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Answer:
Given equations-
3x+y=15 -eq.1
2x-y=5 -eq.2
Adding eq.1 and eq.2, we get-
3x+y+2x-y=15+5
》5x=20
》 x=20/5
》 x=4
Substituting this value of x in eq.1-
3x+y=15
》3(4)+y=15
》12+y=15
》y=15-12
》y=3
Hence, the value of x and y is 4 and 3 respectively.
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