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Question (11)

QN0015637

Simplify: 18b – 10b + 4b

(A) 12b
(B) 14b
(C) 32b
(D) 8b

Correct Answer: A

Explanation:

18 – 10 + 4 = 12.

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Question (12)

QN0015638

Which pair consists of unlike terms?

(A) 7x and 2x
(B) 5m and m
(C) 9a and 4b
(D) 3p and 8p

Correct Answer: C

Explanation:

a and b are different variables.

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Question (13)

QN0015639

Simplify: 20c – 6c

(A) 14
(B) 14c
(C) 120c
(D) 26c

Correct Answer: B

Explanation:

20c – 6c = 14c.

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Question (14)

QN0015640

Simplify: 8t + 5t – 2t

(A) 11t
(B) 15t
(C) 13t
(D) 10t

Correct Answer: A

Explanation:

8 + 5 – 2 = 11.

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Question (15)

QN0015641

Find the simplified form of 7x + 3y.

(A) 10xy
(B) 10x
(C) Cannot be simplified further
(D) 10y

Correct Answer: C

Explanation:

x and y are unlike terms.

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Question (16)

QN0015642

Simplify: 25m – 15m + 5m

(A) 45m
(B) 15m
(C) 10m
(D) 5m

Correct Answer: B

Explanation:

25 – 15 + 5 = 15.

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Question (17)

QN0015643

The coefficient of x in 13x is:

(A) x
(B) 1
(C) 13
(D) 0

Correct Answer: C

Explanation:

The numerical factor is 13.

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Question (18)

QN0015644

Simplify: 14r + 6r

(A) 20r
(B) 84r
(C) 8r
(D) 20

Correct Answer: A

Explanation:

14 + 6 = 20.

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Question (19)

QN0015645

Simplify: 30q – 12q

(A) 42q
(B) 18q
(C) 18
(D) 360q

Correct Answer: B

Explanation:

30q – 12q = 18q.

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Question (20)

QN0015646

Simplify: 5a + 4b + 3a

(A) 12ab
(B) 8a + 4b
(C) 12a + b
(D) 8ab

Correct Answer: B

Explanation:

Combine like terms: 5a + 3a = 8a.

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