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Algebra basics

Course: Algebra basics > Unit 3

Lesson 1: One-step equations
Math
Algebra basics
Linear equations and inequalities
One-step equations
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One-step addition & subtraction equations

Google Classroom

Problem

Solve the equation.
x−21=6
x=
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0.75
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
Stuck?
Stuck?