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Maths Exercices

Solve compound inequalities

To solve for a variable, use inverse operations to undo the operations in the inequality. Be sure to do the same operation to all parts of the inequality.


Solve for f.

-5 < f + 13 ≤ 5

-5 -13 < f + 13 -13 ≤ 5 -13

  Subtract 13 from each part of the inequality

-18 < f ≤ -8
  Simplify


Solve for r

-13 < r - 7 ≤ -1


-6 < r ≤ 6
-6 ≤ r ≤ 6
-6 ≤ r < 6
-6 < r < 6