Grade 9 math · A.3 · Linear Equations
Solve linear inequalities
Solve it like an equation, but flip the sign when you multiply or divide by a negative number.
See worked examples
Solve: −2x − 13 < −15. Write the answer as x < a number or x > a number.
Answer: Sign (< or >): >; Number: 1
Solve: −5x + 3 > −22. Write the answer as x < a number or x > a number.
Answer: Sign (< or >): <; Number: 5
Solve: 6x + 15 < 63. Write the answer as x < a number or x > a number.
Answer: Sign (< or >): <; Number: 8
Tip: Solve it like an equation, but flip the sign when you multiply or divide by a negative number.
Curriculum
Common Core: HSA-REI.B.3
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