Question

If the point (-1,-2) lies on the graph of the equation 3y=mz+9
find the value of z.

Answer 1

Answer:

if the point (3,4) lies on the given line, x=3 and y=4 will satisfy the given equation.

3y= ax+7

3(4)= a(3)+7

12 = 3a+7

12-7 = 3a

5= 3a

5/3 = a