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wariber [46]
3 years ago
7

20 POINTS~ 2/5 |5x+10| -14 > -6 Please explain both answers

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
5 0

Answer:

x2

Step-by-step explanation:

We have the inequality:

\frac{2}{5}|5x+10|-14>-6

First, we can factor out a 5 from our absolute value. This yields:

\frac{2}{5}(5|x+2|)-14>-6

Simplify:

2|x+2|-14>-6

Add 14 to both sides:

2|x+2|>8

Divide both sides by 2:

|x+2|>4

Definition of Absolute Value:

x+2>4\text{ or } -(x+2)>4

Solve each case individually:

Case 1:

x+2>4

Subtract 2 from both sides:

x>2

Case 2:

-(x+2)>4

Divide both sides by -1. Flip the sign:

x+2

Subtract 2 from both sides:

x

So, our answers are:

x2

Since our inequality is a <em>greater than</em>, we will have an "or" inequality.

So, our answer is all values left to the first solution and all values to the right of the second solution:

x2

And we're done!

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