harga x dan y berturut turut dari persamaan berserta jawaban

MatRiks

(2 × x) + (3 × (-1)) = 1
2x - 3 = 1
2x = 1 + 3
x = 2


(2 × 1) + (3 × y) = -1
2 + 3y = -1
3y = -1 - 2
y = -3/3
y = -1

Opsi : A