CBSE Class 10 Answered
x+y=7 ,2x-3y=9
Asked by vidhyasawant9 | 12 Jan, 2020, 09:26: PM
Expert Answer
x+y=7 ... (i)
2x-3y=9 ... (ii)
Multiplying equation (i) by 3, we get
3x + 3y = 21 ... (iii)
Adding (ii) and (iii), we get
5x = 30 → x = 6
Substitute x = 6 in equation (i), we get
6 + y = 7
y = 1
Answered by Yasmeen Khan | 13 Jan, 2020, 10:54: AM
