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^{2} from 7ab2. Subtract the following:
(i) from 5pq take p
(ii) from 11a^{2}bc take 5abc(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^{2}(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^{2} - y^{2} - x^{2}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
(ii) 7ab - 7a^{2}2. (i) 5pq - p
(ii) 11a^{2}bc - 5abc(iii) -9bc - 9ac
(iv) x^{2} - y^{2}(v) 17mn - 9n
(vi) 21xy - 21ab
3. (i) 11b - 9a
(ii) 3b^{2} - 7ab(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^{2}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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