Question

The graph of the equation Ax+3y=48 passes through the point (-18,7) What value of A accurately completes the equation?

please help

Answer 1

A = -1.5

Explanation:

Ax+3y=48

Plug in (-18,7)

A(-18) +3(7)=48

-18A + 21 = 48

-18A = 27

A = - 27/18

A = - 3/2

A = -1.5