Question

The root of the equation (2x – 1) + (x – 1) = x + 2 is

(a) 1

(b) 2

(c) -1

(d) -2​

Answer 1

Answer: ​

 

x−1

2x−1

​

 

∣

∣

∣

∣

∣

​

>2

x−1

2x−1

​

<−2or  

x−1

2x−1

​

>2

x−1

2x−1

​

<−2:  

4

3

​

<x<1

x−1

2x−1

​

>2:x>1

4

3

​

<x<1orx>1

⎣

⎢

⎢

⎡

​

 

Solution:

Decimal:

IntervalNotation:

​

 

4

3

​

<x<1orx>1

0.75<x<1orx>1

(  

4

3

​

,1)∪(1,∞)

​

 

Step-by-step explanation: