Solving Equations and Inequalities

Solving equations and inequalities

Introduction

One-variable equations and inequalities are used to represent situations involving an unknown quantity. An equation describes two expressions that are equal, while an inequality compares quantities that may ...

Mia is signing up for an art workshop. The workshop charges a 15-dollar registration fee plus 8 dollars for each canvas she uses.

She plans to spend exactly 55 dollars, lets the variable c represent the number of canvases, and then writes a one-variable equation.

To solve this, subtract 15 from both sides, giving 8c = 40. Dividing b...