What inequality is equivalent to -3x+2y>5y+9

asked Jan 14, 2017 128k views

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-3x+ 2y > 5y+ 9
⇒ -3x > 5y -2y+ 9
⇒ -3x > 3y+ 9
⇒ x < (3y+ 9)/(-3)
⇒ x < -y -3

The inequality equivalent to -3x+ 2y > 5y+ 9 is x < -y -3~

Kamoy answered Jan 15, 2017

by Kamoy

7.2k points

2 votes

-3x + 2y > 5y + 9
- 5y - 5y
-3x - 3y > 9
-3x + 3x - 3y > 3x + 9
-3y > 3x + 9
-3 -3
y < -x + 3

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