Question

Se y = -2 e r + s + t = 16, quanto vale ry + sy + ty?​

Answer 1

Explicação passo-a-passo:

$y = - 2 \\ r + s + t = 16 \\ ry + sy + ty \\ r( - 2) + ( - 2)s + ( - 2)t \\ - 2(r + s + t) \\ - 2 \times 16 = - 32$