Respuesta :

ktreyb

3x + 5x = 8x

2n - 3n = - n

4c + c - 7c = 5c - 7c = - 2c

4x - 6x + x - 5x = - 2x + x - 5x = - x - 5x = - 6x

3a + 2a + 7a - 5 = 5a + 7a - 5 = 12a - 5

Q&A Education