Practice for lesson 3 of 18, 9 problems
Practice: Combining like terms
Combining like terms practice problems with solutions: integer and fraction coefficients, expressions with parentheses and brackets, perimeters and common mistakes.
Review the lessonWork each problem out on paper before you open the solution. If your answer is off, compare the steps and find where you went wrong. If a problem stops you cold, go back to the lesson: every set links to it.
Warm-up
Level up
Word problems
Quick check
Practice 8Quick check
What is \(4m - 9m\)?
\(4 - 9 = -5\), and the variable part \(m\) stays the same.
Practice 9Quick check
What is \(3y^2 + 2y^2\)?
Adding like terms never changes the exponents.
All done?
If you got most of them right, you're ready to move on. If not, reread the lesson and try the ones you missed again in a few days.