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Year 7 maths · M.22 · Operations with fractions and decimals

Solve one-step equations with fractions

Add or subtract the fraction on both sides to get x alone.

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  1. Solve for x: x + 1/3 = 7/3. (Write x as a fraction in lowest terms, or a whole number.)

    Answer: 2

  2. Solve for x: x + 1/2 = 5/2. (Write x as a fraction in lowest terms, or a whole number.)

    Answer: 2

  3. Solve for x: x + 1/2 = −5/2. (Write x as a fraction in lowest terms, or a whole number.)

    Answer: -3

Tip: Add or subtract the fraction on both sides to get x alone.

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