Respuesta:
R = ( - ∞ : 13,75 ]
Explicación paso a paso:
x + 5/3 + x - 7/9 < 7
3x + 15 + x - 7 /9 < 7
3x + 15 + x - 7 < 63
3x + 1x < 63 -15 + 7
4x < 55
x < 55/4
x < 13,75
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Respuesta:
R = ( - ∞ : 13,75 ]
Explicación paso a paso:
x + 5/3 + x - 7/9 < 7
3x + 15 + x - 7 /9 < 7
3x + 15 + x - 7 < 63
3x + 1x < 63 -15 + 7
4x < 55
x < 55/4
x < 13,75
R = ( - ∞ : 13,75 ]