Respuesta: x < 7
6x - 21 < 15 + 6
6x - 21 < 21
6x - 21 + 21 < 21 + 21
6x < 42
[tex]\frac{6x}{6}<\frac{42}{6}[/tex]
x < 7
Explicación paso a paso:
Listo
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Respuesta: x < 7
6x - 21 < 15 + 6
6x - 21 < 21
6x - 21 + 21 < 21 + 21
6x < 42
[tex]\frac{6x}{6}<\frac{42}{6}[/tex]
x < 7
Explicación paso a paso:
Listo