10^9*10^3*10*10^0
(14*3) + (50/10) - 3
Find orthogal tragectries of the curves y ^ 2 = c * x ^ 3
2x + 3y = 16
x - 3y = 14
5x + y = 15
10x - y = 15
4y + x = 27
y - x = 3
decrease £220,000 by 20%
10% from 150
3x + y = 18
x - y = 2
2a - a + 5a = -12
