Question

if the point (2,-1) lies on the graph of the equation 3y=ax+7 find the value of a​

Answer 1

a=1 is the answer because if there is no value before X then it would be 1

Answer 2

Answer:

Step-by-step explanation:

Putting x=2 and y=-1

3(-1)=a(2) +7

-3=2a+7

2a=-3-7

2a=-10

a=-5