Math Study Guide: Topic 11: Equations (pages 50-56)

Question 1

What is the object of all equations?

Answer 1

To solve for the variable, usually x

Question 2

What is the bottom line that you have to remember in solving an equation?

Answer 2

Whatever you do to one side of the an equation, you must also do to the other side.

Question 3

How do you solve an equation with fractions?

Answer 3

When an equation has several fractions, multiply both sides by the lowest common denominator.

Example: 2x/5 + x/4 = x - 7

Multiply by sides by 20, etc., and then solve for x