Practice the questions given in the worksheet on subtraction of unlike terms. We know that, the difference between one like term from the other like term can be express as a single like term but in case of unlike terms we cannot subtract them from one another to express the result as a single term.

**1. Find the difference
of: **

(i) 9n from 13m

(ii) 7a(iii) 5a

(iv) 4n from 9mn

(v) 9x

(vi) zx

**2. Subtract the following:**

(i) from 5pq take p

(ii) from 11a(iii) from -9bc take 9ac

(iv) from x

(v) from 17mn take 9n

(vi) from 21xy take 21ab

**3. Subtract the first
term from the second term:**

(i) 9a, 11b

(ii) 7ab, 3b(iii) 5y, 3x

(iv) 11mn, 21m

(v) pq, ab

(vi) 23pqr, 23pq

**4. Evaluate the
following:**

(i) 2x + 5y - 3y

(ii) a + b + a - b

(iii) 6xy - 8y - 3xy

(iv) 8x - 5y - 7x + 10y

(v) -5ax - 9ax - 7ay

(vi) x**5.** What is the
difference between -11pq and 9p?

**6.** How much is 7m
+ 5n greater than 3n?

Answers for the worksheet on subtraction of unlike terms are given below to check the exact answers of the above questions on subtracting unlike terms.

**Answers:**

**1.** (i) 13m - 9n

(iii) 11a

(iv) 9mn - 4n

(v) 15x

(vi) x

**2.** (i) 5pq - p

(iii) -9bc - 9ac

(iv) x(v) 17mn - 9n

(vi) 21xy - 21ab

**3.** (i) 11b - 9a

(iii) 3x - 5y

(iv) 21m - 11mn

(v) ab - pq

(vi) 23pq - 23pqr

**4.** (i) 2x - 2y

(ii) 2a

(iii) 3xy - 8y

(iv) x + 5y

(v) - 14ax - 7ay

(vi) - y**5.** -11pq - 9p

**6.** 7m + 2n

**● ****Terms - Worksheets**

Worksheet on Like and Unlike Terms

Worksheet on Addition of Like Terms

Worksheet on Subtraction of Like Terms

Worksheet on Adding and Subtracting Like Terms

Worksheet on Combining Like Terms

Worksheet on Addition of Unlike Terms

**Math Home Work Sheets**

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