Question

3x - x +4 = 5x-8 alguien sabe el resultado
A) x = - 6.
B) x = 2
C) x = - 2.
D x = 4. ​

Answer 1

Solución

$3x - x +4 = 5x-8 \\ 2x + 4 = 5x - 8 \\ 2x - 5x = - 8 - 4 \\ - 3x = - 12 \\ x = 4$