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Example 1. Simplify :
(i) (x + 2y + 3z) + (2x + 3y – 2z)
(ii) (2x + 3y + 4z) – (x – 4y – 3z)
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By Abigail

Example 1. Simplify :
(i) (x + 2y + 3z) + (2x + 3y – 2z)
(ii) (2x + 3y + 4z) – (x – 4y – 3z)
​

About the author
Abigail

The zeros of the quadratic polynomial X²+88X+125 area a.both positive b.Both negative c.one positive and one negative d.both equal

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1 thought on “Example 1. Simplify :<br />(i) (x + 2y + 3z) + (2x + 3y – 2z)<br />(ii) (2x + 3y + 4z) – (x – 4y – 3z)<br />​”

  1. Answer:

    i) 3x + 5y + z

    ii) x + 7y + 7z

    Step-by-step explanation:

    i) (x + 2y + 3z) + (2x + 3y – 2z)

    = x + 2y + 3z + 2x + 3y – 2z

    = (x+2x) + (2y+3y) + (3z-2z)

    = 3x + 5y + z (Ans)

    ii) (2x + 3y + 4z) – (x – 4y – 3z)

    = 2x + 3y + 4z – x + 4y + 3z

    = (2x – x) + (3y + 4y) + (4z + 3z)

    = x + 7y + 7z (Ans)

    Reply

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