-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?
circumference is 12.56 What is the diameter
810000 + 563000 - (225000 + 125000) - x = 654000
29x^2-49v=0 find v
3.05 divided by 7
x^2+39=23 Solve for x
