Basic Algebra Exercises

Solve for x:

-x/4 < 3

Hint

Don't forget to flip that inequality sign when dividing by a negative number. Flip it good.

Solve for y:

15 ≥ (5y-10)/2

Hint

Start by multiplying each side by 2.

Solve for z:

2/(z+3) ≠ 2/3z

Hint

First multiply each side by (z + 3), then multiply each side by (3z).