Question

Calcule x :

S : suplemento
C : complemento

$sc_{3x} \: = \: 5(x + 8)$

Answer 1

Respuesta:

x = 25

Explicación paso a paso:

SC₃ₓ = 5(x + 8)

S₍₉₀₋₃ₓ₎ = 5x + 40

90 + 3x = 5x + 40

90 - 40 = 5x - 3x

50 = 2x

50 / 2 = x

25 = x

x = 25