Jawaban dari soal (y+2x+4)-(2x+3y-5)

(y + 2x + 4) – (2x + 3y – 5)
= y + 2x + 4 – 2x – 3y + 5
= 2x – 2x + y – 3y + 4 + 5
= -2y + 9
= 2y – 9

(y+2x+4)- (2x +3y-5)
= y-3y+2x-2x+4+5
= -2y+9