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If 2x+2(4+3x)<2+3x>2x+x/2; then x can take which of the following values?

  1. A
    -3
  2. B
    1
  3. C
    0
  4. D
    -1

Solution & Step-by-step Explanation

The problem contains a double inequality system:
2x+2(4+3x)<2+3x

2+3x>2x+
2
x



Let's solve the first inequality:

2x+8+6x<2+3x
8x+8<2+3x
8x−3x<2−8
5x<−6
x<−
5
6

⟹x<−1.2
Now, let's solve the second inequality:

2+3x>2x+
2
x


2+3x>
2
5x


Multiply by 2:

4+6x>5x
6x−5x>−4
x>−4
Combining both results, the range of x is:

−4Let's test the given options against this range:

A) x=−3: Fits within (−4,−1.2)

B) x=1: Does not fit

C) x=0: Does not fit

D) x=−1: Does not fit

Hence, x=−3 is a valid value.

Practice this question

Try it yourself before checking the explanation above.

If 2x+2(4+3x)<2+3x>2x+x/2; then x can take which of the following values?
A
-3
B
1
C
0
D
-1

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