StudyBrixFree worksheets, study guides and courses

Mathematics · Grades 6–9

Combine like terms

Only terms with the same variable part can be combined this way.

Make a worksheet

The key idea

Only terms with the same variable part can be combined this way.

ax + bx = (a + b)x

Worked examples

Find the coefficient of x after simplifying 32x + 33x.

(32 + 33)x = 65x

65

Find the coefficient of x after simplifying 30x + 20x.

(30 + 20)x = 50x

50

Try it yourself

  1. Find the coefficient of x after simplifying 21x + 11x.

  2. Find the coefficient of x after simplifying 37x + 13x.

Check your understanding

Answers and marking notes
  1. 32

    (21 + 11)x = 32x

  2. 50

    (37 + 13)x = 50x

Further reading and review references

These are reference links, not copied exercises, institutional endorsement or proof of independent review.

Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.