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April 23, 2014

April 23, 2014

Posted by **jc** on Saturday, February 16, 2013 at 10:54am.

12+4|6x−1|<4

5−6|x+7|less than or equal to 17

...can you please explain to me..

i know that it's like solving algebraically but one of them has no solution..

- MHF4U -
**Henry**, Sunday, February 17, 2013 at 4:17pm1. 12 + 4|6x-1| < 4.

4|6x-1| < 4-12

4|6x-1| < -8

|6x-1| < -2

6x - 1 < -2

6x < -2+1

6x < -1

X < -1/6.

The calculated value of X does not satisfy the inequality. Make sure the problem is copied correctly.

2. 5 -6|x+7| <= 17

-6|x+7| <= 17-5

-6|x+7| <= 12

|x+7| >= -2

x+7 >= -2

X >= -2-7

X >= -9.

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