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-3r - 11 + 15 <= 9

Combine like terms:

-3r + 4 <= 9

Subtract 4 from both sides:

-3r <= 5

Divide by -3 (note that the sign flips when multiplying or dividing by a negative number):

r >= (-5/3)

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Q: How do you Solve the inequality -3r-11 plus 15 is less than or equal to 9?
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