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2x-3 less/equal to 5x+9

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1 Answer

2x - 3 ≤ 5x + 9
 
2x - 5x ≤ 9 + 3
 
-3x ≤ 12
 
divide both sides by -3:
 
x ≥ -4
 
(when you divide or multiply by a negative number the direction of greater/less than changes direction)
 

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