JuliennaD396395 JuliennaD396395

03-11-2022
Mathematics

contestada

Which expression is equivalent (4x + 2y - z) - (x - y + 7)A3x + 3y - 8zB3x + y - z + 7с3x + 3y - z - 7D3x + y - z - 7

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AngelynN510165 AngelynN510165

03-11-2022

Answer:

C) 3x + 3y - z - 7

Explanations:

The given expression is:

(4x + 2y - z) - (x - y + 7)

Remove the brackets by explanding the equation:

4x + 2y - z - x + y - 7

Collect like terms:

4x - x + 2y + y - z - 7

Simplify the expression:

3x + 3y - z - 7

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