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# Maths???F.1

A number plus 13 is equal to 3 times the result of the number minus 11.Find the number.

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- 自由自在Lv 71 decade agoFavorite Answer
Let the number be x

The number plus 13 is x + 13

The number minus 11 is x - 11

THe number plus 13 is equal to 3 times the result of the number minus 11

=> x + 13 = 3(x - 11)

=> x + 13 = 3x - 33

=> 13 + 33 = 3x - x

=> 2x = 46

=> x = 23

The number is 23

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