Lesson 4 of 4 · Grade 8 Mathematics
Inequalities and probability
15 min
Linear inequalities
Symbols: < (less than), > (greater than), ≤ (less than or equal to), ≥ (greater than or equal to).
Solve like equations: x + 4 > 10 → x > 6
2x - 3 ≤ 7 → 2x ≤ 10 → x ≤ 5
Important: when you multiply or divide by a negative number, reverse the sign.
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