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Chapter 3: Q55. (page 127)

Multiple choice What is the solution of the equation?鈭�3(-2x鈭�1)=鈭�21

A. -4

B. -3

C. 3

D. 4

Short Answer

Expert verified

The correct option is A.鈭�4

Step by step solution

01

Step-1 – Given

The given equation is:鈭�3(鈭�2x鈭�1)=鈭�21

02

Step-2 – To determine

We have to find x.

03

Step-3 – Calculation

鈭�3(鈭�2x鈭�1)=鈭�21

We first simplify the given equation

6x+3=鈭�21

Subtract 3 from both sides

6x+3鈭�3=鈭�21鈭�3

6x=鈭�24

Divide by on both sides

6x6=鈭�246

x=鈭�4

Therefore, the required value of x is 鈥� 4.

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