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Need help with this problem I'm confused and haven't got it right past attempts

Need help with this problem I'm confused and haven't got it right past attempts-example-1
User Mhtsbt
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1 Answer

2 votes

x = -9 or x=12

1) Solving this absolute value equation requires knowing the properties

|a| =b, and |a| = -b

2)

|2x -3|-4 = 17 Adding 4 to both sides

|2x -3| = 21 Applying the property to remove the bars

2x -3 = 21

2x =24

x=12

|2x -3| = 21 Applying the property to remove the bars

2x -3 = -21 Adding 3 to both sides

2x = -21+3

2x= -18 Dividing both sides by 2

x=-9

3) So the solution is x=12 or x = -9

User Silvestris
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