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11-12-2016
Mathematics

Answered

Solve the equation for x:

|2x - 5| - 4 = -3

Hint: There will be two answers.

Verified Answer :

11-12-2016

|2x - 5| - 4 = -3
As it is under the Mod. it would be either:
2x-5-4 = -3 OR 2x+5-4 = -3
2x-9 = -3 OR 2x + 1 = -3
2x = 9-3 OR 2x = -3-1
2x = 6 OR 2x = -4
x = 6/2 OR x = -4/2
x = 3 OR -2

So, the answers would be 3 & -2.

Hope this helps!

Answer Link

11-12-2016

2x-5-4=3
2x-9=3
2x=3+9
2x=12
x=6

2x-5-4=-3
2x-9=-3
2x=-3+9
2x=6
x=3

The answers are 6 and 3

Answer Link

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