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5 votes
Solve: | 2x - 2 | = x + 1

Select the appropriate response
A) x=3,x=6
B) x=3, x=1/3
C) x=9

Can you help me with this, please?

User Sankar M
by
8.1k points

1 Answer

5 votes

The given expression is
|2 x-2|=x+1

We need to determine the solution to the expression.

Solution:

The absolute value of the expression
|2 x-2|=x+1 is given by


2 x-2=x+1 or
2 x-2=-(x+1)

Let us solve the expression
2 x-2=x+1

Thus, we get;


x-2=1


x=3

Now, solving the expression
2 x-2=-(x+1)

Thus, we get;


2x-2=-x-1


3x-2=-1


3x=1


x=(1)/(3)

Thus, the solution of the expression is
x=3,
x=(1)/(3)

Hence, Option B is the correct answer.

User Barry Pitman
by
8.4k points

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