134*134
15-10*2+17
((3*15+19)/8-6)/(27/3*2-16)
5x+y=-4,7x-2y=-43
7x-3y=-14,3x+y=-22
Given that y varies inversely as x $a^{b}$ and that y=12 when x =2 ,and y=3 when x=4. Find the equation connecting y and x
4y-3x=34,x+6y=18
10 x1 + 2x2 =84
8x1 + 4x2 = 120
5x=67-2y,3y=3x+6