Question

simultaneous equation by elimination method​

Answer 1

3x - y = 7 (1)

x/2 + y = 7 (2)

Adding (1) & (2), we get,

3x + x/2 = 7 + 7

7x/2 = 14

x = 4

Put value of x = 4 in (1)

12 - y = 7

y = 5