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Question
Secondary 1 | Maths
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Inequalities thanks
Date Posted: 7 years ago
Views: 423
-2x+2>-18
-2x>-20
2x <20. (Because -3 > -5 but 3 < 5)
x <10
-2x>-20
2x <20. (Because -3 > -5 but 3 < 5)
x <10
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Date Posted:
7 years ago
Thanks so much
done
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Inequality sign changes direction when you are multiplying the equation by a negative number (in this case, -1).
Imagine -4 > -20
When you multiply both sides by -1, it should become
4 < 20, not 4 > 20
Everything else should be quite clear :)
Imagine -4 > -20
When you multiply both sides by -1, it should become
4 < 20, not 4 > 20
Everything else should be quite clear :)
Date Posted:
7 years ago
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