Question

IF THE POINT (3,4)LIE ON THE GRAPH OF THE EQUATION 3y=ax+7 find the value of a

Answer 1

(x,y)= (3,4)
so the eqn becomes,
3y= ax+7
(3*4)=(a*3)+7
12=3a+7
12-7= 3a
3a=5
so a= 5/3