Question

Respondam aqui ._. 7 ou 8 pontos pa responder ._.

Answer 1

Resposta

X + Y = 8

9 + -1 = 8

Y - X = -10

-1 - 9 = -10

$x^{2}$ + Y = 80

$9^{2}$ + -1 = 80

2X + 3Y = 12

2 × 9 + 3 × -1 = 12