Respuesta:
e. 9x
Explicación
A = 20x - 13x - 2x
A = 7x - 2x
A = 5x
B = (9x - 3x) - (10x - 8x)
B = 6x - 2x
B = 4x
entonces:
F = A + B
F = 5x + 4x
F = 9x
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Respuesta:
e. 9x
Explicación
A = 20x - 13x - 2x
A = 7x - 2x
A = 5x
B = (9x - 3x) - (10x - 8x)
B = 6x - 2x
B = 4x
entonces:
F = A + B
F = 5x + 4x
F = 9x