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Class 7 maths · Q.3 · Inequalities

Two-step inequalities with positive numbers

Solve like an equation. If you multiply or divide by a negative number, flip the sign. Write the sign and the number.

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  1. Solve: 2x + 1 > 17. Write the answer as x < a number or x > a number.

    Answer: Sign (< or >): >; Number: 8

  2. Solve: 5x − 1 < 29. Write the answer as x < a number or x > a number.

    Answer: Sign (< or >): <; Number: 6

  3. Solve: 5x + 10 < 45. Write the answer as x < a number or x > a number.

    Answer: Sign (< or >): <; Number: 7

Tip: Solve like an equation. If you multiply or divide by a negative number, flip the sign. Write the sign and the number.

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