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tankabanditka [31]
3 years ago
10

Which expression is equivalent to the expression below? (4x + 2y - z) - (x - y + 7)

Mathematics
1 answer:
Margaret [11]3 years ago
5 0

Answer:

3x+3y−z−7

Step-by-step explanation:

"Let's simplify step-by-step.

4x+2y−z−(x−y+7)

Distribute the Negative Sign:

=4x+2y−z+−1(x−y+7)

=4x+2y+−z+−1x+−1(−y)+(−1)(7)

=4x+2y+−z+−x+y+−7

Combine Like Terms:

=4x+2y+−z+−x+y+−7

=(4x+−x)+(2y+y)+(−z)+(−7)"(Mathpapa)

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QUESTION in the diagram below the following are rectangles. ACEG ;BCDJ ; JDEF and HJFG is a square AB =AH = x ;BC=5 ; HG=3 Area
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The area of the rectangle ACEG is the amount of space on it, and the area of square HJFG is 9 square units

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<em />

Read more about areas at:

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