Question

If (2,-1) lies on ax+3y = 1, then find the value of a.

Answer 1

substituting value of x=2 and y=-1
therefore,
2a+3(-1)=1
2a-3=1
2a=4
a=2
Hope it helps u

Answer 2

2a+3(-1)=1
2a-3=1
2a=4
a=2 hope u got it