Question

if 3x - y = 13 and 2x+y = 12 find the value of X and y​

Answer 1

Step-by-step explanation:

y=13-3x

putting the value of y in 2nd equation

2x+13-3x=12

-x=-1

x=1

again putting the value of x in eq. 1

3×1×-y=13

3-y=13

y=11