Question

If the system of equations 4x + 6y = 21 and px -2y =15 has a unique solution, find p.

Answer 1

Answer:

Combine -7xy and 8xy

Combine 3x and -95x to get -92x.

Combine -7xy and 8xy to get xy.

Combine 3x and -95x to get -92x.

y-92