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22 February, 22:48

Simplify the expression: 9x + 4y - 7x + 2y.

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  1. 22 February, 22:55
    0
    Just combine like terms. So 9x would go with - 7x and 4y will go with 2y. so 9x-7x equals 2x, and then 4y+2y equals 6y. So your final expression will be 2x+6y
  2. 22 February, 23:08
    0
    You will have to add or subtract the like terms.

    9x + 4y - 7x + 2y

    9x - 7x + 4y + 2y

    2x + 6y

    The answer would then be 2x + 6y
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