Respuesta :

Let me complete your question:

Find the missing coefficient in the equation of the line that passes thru given point. Ax+3y=5, (2-1)?

Is this the question?

 A= 4 

4x+3y=5 

you plug in your points to solve it. 

A(2) + 3(-1) = 5 
2A + -3 = 5 
2A= 8 
A = 4

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!