# does |2x - 4| = 5 |3x - 4| = -12 have the same answers?

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• Anonymous
7 months ago

I think that you are LYING

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• Absolutely not man

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• No, they don't.

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• |2x - 4| = 5 → the contents of an absolute value can be positive or negative

2x - 4 = ± 5

2x = 4 ± 5

First case: 2x = 4 + 5 → 2x = 9 → x = 9/2

Second case: 2x = 4 - 5 → 2x = - 1 → x = 1/2

|3x - 4| = - 12 → an absolute value is always ≥ 0, so it's not possible → no solution

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• |2x - 4| = 5

2x - 4 = 5

2x = 5 + 4

2x = 9

x = 9/2

2x - 4 = - 5

2x = - 5 + 4

2x = - 1

x = - 1/2

|3x - 4| = -12

well in this equation has a negative number to the right side of the equation, so it is impossible to solve the its values of x..

Therefore, they don't have the same answers...

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• |2x - 4| = 5

|3x - 4| = -12

They don't have the same answers.

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• Are |2x - 4| = 5

|3x - 4| = -12 the same

Nope!

|2x - 4| = 5 has 2 Real answers

|3x - 4| = -12 has none.

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• if 2x-4 = 15x-20 , then :

13x = 16

x = 16/13

2x-4 = (32-52)/13 = -20/13

15x-20 = (240-260)/13 = -20/13

both results ≠ -12

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• NO...absolute vales cannot be negative

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• No --- not the same answers

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