twice the difference between x and 28 is 3 times a number
Publish date: 2024-06-02
twice the difference between x and 28 is 3 times a numberThe difference between x and 28:
x - 28
Twice the difference means we multiply x - 28 by 2:
2(x - 28)
The phrase a number means an arbitrary variable, let's call it x
x
3 times a number:
3x
The word is means equal to, so we set 2(x - 28) equal to 3x:
2(x - 28) = 3x
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