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x - 4 + 6 = 10 + 2
x + 2 = 12
x = 12 - 2
x = 10
Comprobacion.
x - 4 + 6 = 10 + 2
10 - 4 + 6 = 12
16 - 4 = 12
12 = 12
x - 4 + 6 = 12
x = 12 - 6 + 4
x = 10
Respuesta :
x = 10
COMPROBAMOS :
x - 4 + 6 = 10 + 2
10 - 4 + 6 = 10 + 2
6 + 6 = 12
12 = 12
La solución es correcta.