Question

2 X + 3 Y equal to 12 x minus Y is equal to 1

Answer 1

2x + 3y = 12
12x-y= 1

multiply second equation by 3
36 - 3y = 3
adding equation 1 from equation 3
38x = 15
x = 15/38
put value of x in equation in 1
15/19 +3y = 12
3y = 213/19
y = 71 / 19