1) 15n + 35n - 125 = 17550n - 125 = 17550n = 300n = 6
2) (x + 56) / 14 = 20x + 56 = 14 * 20x + 56 = 280x = 224
1) 15n + 35n - 125 = 175
50n - 125 = 175
50n = 300
n = 6
2) (x + 56) / 14 = 20
x + 56 = 14 * 20
x + 56 = 280
x = 224