Question

Solve the pair of linear equations 3x+y=9 and 2x-y=1 and find the value of x and y?

Answer 1

Explanation:

2x-y = 1 ............1

3x+y = 9 .............2

adding both

2x-y +3x + y = 1+9

5x -0 = 10

5x = 10

x = 2