can you me factor x^2-9x+18=2xi know you have to make it =0 so i getx^2-7x+18=0i need finding the two terms that add to -9 and multiply to 18. and explain

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Precalculus question, image attached.

Given: p: 2x = 16 q: 3x – 4= 20 which is the converse of p - q? if 2x + 16, then 3x - 4 20. if 3x –4 +20, then 2x # 16. lf 2x = 16, then 3x - 4 = 20. lf 3x – 4= 20, then 2x = 16. o o