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3x-2x = 3 - 1
x = 2
comprobación
3x +1 = 2x+3
3(2) +1 = 2(2)+3
6+1 = 4+3
7 = 7
3x + 1 = 2x + 3
3x - 2x = 3 - 1
x = 2
Respuesta.
El valor de x es 2
COMPROBAMOS LA SOLUCIÓN
3x + 1 = 2x + 3
3 (2) + 1 = 2 (2) + 3
6 + 1 = 4 + 3
7 = 7
La solución es correcta!!!