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10 October, 14:07

Three times a number minus ten is equal to the sum of twice the same number and five. The equation below represents the situation.

3 x minus 10 = 2 x + 5 What is the value of x?

-5

-1

3

15

+3
Answers (1)
  1. 10 October, 14:19
    0
    Step-by-step explanation:

    3x - 10 = 2x + 5

    Add 10 to both sides

    3x - 10 + 10 = 2x + 5 + 10

    3x = 2x + 15

    Subtract 2x from both sides

    3x - 2x = 2x + 15 - 2x

    x = 15
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