Question

Solve the simultaneous equation-
2x+y=7
3x-y=8

Answer 1

Solution: (x, y) = (3, 1)

Explanation:

2x+y=7 --------> (1)

3х-у=8 --------> (2)

:: Adding eq" 2 to 1

2x + y = 7

+ 3x - y = 8

_______

5x =15

:: x = 3

Substitacting x=3

6 + y = 7

y = 7-6

y = 1

Solution (x, y) = (3, 1)