What is x: |3x-1| = 4

Mathematics

2 answers:

DaniilM [7]2 years ago

6 0

Step-by-step explanation:

3x-1=4

3x=4+1

3x=5

x=5/3

Softa [21]2 years ago

4 0

Answer:

x = 5/3 x = -1

Step-by-step explanation:

|3x-1| = 4

There are two solutions, one positive and one negative

3x-1 =4 and 3x-1 = -4

Add 1 to each side

3x-1+1 = 4+1 3x-1+1 = -4+1

3x = 5 3x = -3

Divide by 3

3x/3 = 5/3 3x/3 = -3/3

x = 5/3 x = -1

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