a) 7x - 7y = 7(x - y)
b) - 25a + 5b = - 5(5a - b)
c) 18x - 24y + 12z = 6(3x - 4y + 2z)
d) 80m + 48n - 16p = 16(5m + 3n - p)
a) 7x - 7y = 7(x - y)
b) - 25a + 5b = - 5(5a - b)
c) 18x - 24y + 12z = 6(3x - 4y + 2z)
d) 80m + 48n - 16p = 16(5m + 3n - p)