Respuesta:
x = 5
Explicación paso a paso:
[tex]4\left(x+10\right)<2x+50\\\\x+40-40<2x+50-40\\\\4x<2x+10\\\\4x-2x<2x+10-2x\\\\2x<10\\\\\frac{2x}{2}<\frac{10}{2}\\\\x = 5[/tex]
saludos!!! corona
x < 5
4(x + 10) < 2x + 50
4x + 40 < 2x + 50
4x < 2x + 50 - 40
4x < 2x + 10
4x - 2x < 10
2x < 10
x < 10/2
C.S. = [-∞, 5]
