ini siapa tau. Lengkap pake cara ya ( ceritanya belum dijelasin udah dikasih tugas aja gaiss :v )

jika x = 4
a. x + 2 = 4 + 2 = 6
b. x -3 = 4 -3 = 1
c. 2x + 3 = 2 x 4 + 3 = 8 + 3 = 11
d. -2x + 5 = -2 x 4 + 5 = 8 + 5 = 13
e. 1//2 x - 2/3 = 1/2 x 4 - 2/3 = 2/2 - 2/3 = 5/6 - 4/6 = 1/6