72/9*5
2X/(x-3) +3=6/(x-3)
72/9*5 mdas
5^3×4^³
3l+2m+5n+1o=x
1l-3m-2n+4o=y
4l+5m+9n-1o=z
-7=-3u^2
\left(14-2x\right)\left(8-x\right)^2>\:0
2X/x-3 +3=6/x-3
Solve the inequality 3(x + 2) > 0.
linear equation solve for the system
2x - y = 5, 8x - 4y = 20?