Which of the following expressions is always equivalent to - 2b + 4 + 4b - 7

a. b + b

b. b divided by 2

c. 2b - 3

d. 2b + 4

Question

Mathematics

Wright

10 May, 16:50

Which of the following expressions is always equivalent to - 2b + 4 + 4b - 7

a. b + b

b. b divided by 2

c. 2b - 3

d. 2b + 4

+3

Answers (2)

Know the Answer?

Ella Walsh · Answer 1

c. 2b - 3

Step-by-step explanation:

Simplify the following:

-2 b + 4 + 4 b - 7

Grouping like terms, - 2 b + 4 + 4 b - 7 = (4 b - 2 b) + (4 - 7):

(4 b - 2 b) + (4 - 7)

4 b - 2 b = 2 b:

2 b + (4 - 7)

4 - 7 = - 3:

Answer: 2 b + - 3

Sylvia Nicholson · Answer 2

Sylvia Nicholson 10 May, 19:18

0

Your answer would be C! 2b - 3

Which of the following expressions is always equivalent to - 2b + 4 + 4b - 7a. b + bb. b divided by 2c. 2b - 3d. 2b + 4

Which of the following expressions is always equivalent to - 2b + 4 + 4b - 7

a. b + b

b. b divided by 2

c. 2b - 3

d. 2b + 4