9x + 3y = 18
-24/7/-15/14
3x-9y=-18
-4x-2y=10
-5x+3y=-15
4(x+20)=3x+84-x
6 = $\sqrt{4x - 8}$
1/3 x 5
-ydy+(2xy+2x)dx=0
= (10^(2*0+4) - 990*(0+2)*10^0 - 1)/8019
