Question

Which of the following expressions are equivalent to 2x + 4? Select three that apply.
A
6x
B
13(18x)
C
13(6x+12)
D
23(3x+6)
E
2(x+4)
F
4(12x+1)

Answer 1

Answer:

It can 6x or 2(x+4)

hope it would help you

Answer 2

The correct answer is option E. 2(x + 2)

Given:

2x + 4 is a expression

To find:

Equivalent Expression to given expression fro options

A. 6x  B . 13(18x)   C. 13(6x+12)  D. 23(3x+6)  E. 2(x+2)   F. 4(12x+1)

[ In given options, option E. 2(x+4) might be wrong the corrected one is E. 2(x+2) ]

Solution:

Equivalent Expression

The Expressions which are equal and does the same work even they look different.

Example:

(5x + 2) and 5(x-1)+7  

simplify 5(x-1)+7  

= 5x - 5 + 7 = (5x + 7)

Therefore, (5x + 2) and 5(x-1)+7 are equivalent    

Given Expression  is 2x + 4

Simplify 2x + 4

2x + 4  = 2(x + 2)  

Here, from options the equivalent expression is option E. 2(x + 2)

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