Respuesta:
X/2+X+1/7 = X-2 ; m.c.m(2,7) = 14
14(X/2)+14(X)+14(1/7) = 14(X-2)
7X + 14X + 2 = 14X-28
21X + 2 = 14X-28
(2+28) = 14X-21X
30 = -7X
7X = -30
7X/7 = -30/7
X = -30/7
Explicación paso a paso:
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Respuesta:
X/2+X+1/7 = X-2 ; m.c.m(2,7) = 14
14(X/2)+14(X)+14(1/7) = 14(X-2)
7X + 14X + 2 = 14X-28
21X + 2 = 14X-28
(2+28) = 14X-21X
30 = -7X
7X = -30
7X/7 = -30/7
X = -30/7
Explicación paso a paso: