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Grade 7 math · N.2 · Simplify expressions

Combine like terms with negative coefficients

Add the x terms together and the plain numbers together. Write the answer as ax + b.

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  1. Simplify: −2x − 1 + 4x. Write your answer as ax + b.

    Answer: 2x - 1

  2. Simplify: −5x − 4 − 4x. Write your answer as ax + b.

    Answer: -9x - 4

  3. Simplify: −5x − 5x − 4. Write your answer as ax + b.

    Answer: -10x - 4

Tip: Add the x terms together and the plain numbers together. Write the answer as ax + b.

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