How do i solve this: -2x>12 or -2(x+1)< -10. This is a inequality problem

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09-05-2017
Mathematics

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How do i solve this: -2x>12 or -2(x+1)< -10. This is a inequality problem

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bcalle bcalle · Answer 1 · 2017-05-10T13:06:08+02:00

bcalle bcalle

10-05-2017

-2x > 12 OR -2(x + 1) < -10
Each inequality is solved separately.
The first one, divide both sides by -2, when you divide by a negative, you change the inequality sign.
So x < 6
For the second inequality, distribute the -2, this gives us -2X -2< -10.
Add 2 to both sides.
-2x < -8
Divide both sides by -2.
When dividing by a negative you change the inequality sign
So x > 4
The answer is:
x < 6 OR x > 4

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