Respuesta:
[tex]\frac{1}{2}x + 12 = 2x + 40\\\\\frac{1}{2}x - 2x = 40 - 12\\\\-\frac{3}{2}x = 28\\\\x = \frac{28}{-\frac{3}{2} } \\\\x = -\frac{56}{3}\\\\[/tex]
Comprobación
[tex]\frac{1}{2}x + 12 = 2x + 40\\\\\frac{1}{2} (-\frac{56}{3} ) + 12 = 2(-\frac{56}{3} ) + 40\\\\-\frac{56}{6} + 12 = -\frac{112}{3} + 40\\\\\frac{8}{3} = \frac{8}{3}\\\\[/tex]
Explicación paso a paso:
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Respuesta:
[tex]\frac{1}{2}x + 12 = 2x + 40\\\\\frac{1}{2}x - 2x = 40 - 12\\\\-\frac{3}{2}x = 28\\\\x = \frac{28}{-\frac{3}{2} } \\\\x = -\frac{56}{3}\\\\[/tex]
Comprobación
[tex]\frac{1}{2}x + 12 = 2x + 40\\\\\frac{1}{2} (-\frac{56}{3} ) + 12 = 2(-\frac{56}{3} ) + 40\\\\-\frac{56}{6} + 12 = -\frac{112}{3} + 40\\\\\frac{8}{3} = \frac{8}{3}\\\\[/tex]
Explicación paso a paso: