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30 December, 07:51

What is 4n+3n=5n+10

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Answers (2)
  1. 30 December, 08:43
    0
    4n+3n=5n+10

    7n = 5n+10.

    Move 5n to the other side. Sign changes from + 5n to - 5n.

    7n-5n = 5n-5n+10

    2n = 10

    divide by 2

    2n/2 = 10

    Cross out 2 and 2, then divide by 2. Then becomes n = 5

    Answer: n = 5
  2. 30 December, 10:49
    0
    4n+3n=7n | 5n-7n=2n | 10 divided by 2 | N = 5
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