GRADE 7 MATH · CHAPTER 3
Algebra & functions
Study each lesson in order, or choose the idea you need today.
- Choose a book
- Choose a chapter
- Study a lesson
Expressions & equations
Solve two-step equations
Undo addition and multiplication to isolate a variable.
AN EXAMPLE FROM THIS CHAPTER
Solve 4x + 3 = 23.
Show answer & explanation
5
Subtract 3 to get 4x = 20; divide by 4 to get x = 5.
Curriculum & source notes
These are original Little Play study books organized around U.S. school topics. The official curriculum references below guide topic scope and progression. Coverage is selected, not a complete curriculum or a verified match to every state standard. They are not copies of a publisher’s textbook. Check your school’s syllabus and book edition.
High-school courses can be taken in different years. Choose the topic that matches the student’s current course.
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