6, -4, -7, 3 =20 using order of operations

Question

it is a math puzzle. I need to figure out which order these numbers go in. I cant Figure it out. 

🔲+🔲-🔲x🔲=20

 

here are the numbers to plug in

6 -4 -7 3

Answer 1

-7 + 3 - (-4) x 6 = -7 + 3 - (-24)

 

                         = -7 + 3 + 24

 

                         = -4 + 24 = 20