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x =7
el valor de x es 7
b)
3x - 4 = 24 - x
3x + x = 24 + 4
4x = 28
x = 28/4
x = 7
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Lenguaje algebraico.
a)
2x = 4
b)
3x = 3
c)
x + 2 = 4
d)
x - 5 = 6