Basic Algebra Exercises

Example 1

Solve this system of equations by graphing:

y = -x + 1

x = 1/3x - 3

Hint

The x-value is 3.

Example 2

Solve this system of equations by graphing:

y = 4

y = 2x + 1

Hint

The y-value must be -1.

Example 3

Solve this system of equations by graphing:

-3x + y = 6

x + 2y = -2

Hint

Start by solving each equation for y.