[tex]5(x + 3) - 11 = 2x + 19 \\ 5x + 5 \times 3 - 11 = 2x + 19 \\ 5x + 15 - 11 = 2x19 \\ 5x + 4 = 2x + 19 \\ 5x - 2x = 19 - 4 \\ 3x = 19 - 4 \\ 3x = 15 \\ x = 5[/tex]
Respuesta:
x = 5
Explicación paso a paso:
5(×+3)-11=2×+19
5x + 15 - 11 = 2x + 19
3x = 15 => x = 5
5(5+3)-11 = 2(5)+19
5(8)-11 = 29
40-11 = 29 => 29 = 29
RPTA: x = 5
