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Which of the following expressions represents “7 less than a number is 18”?
1.)None of the choices are correct.
2.) x - 7 = 18
3. )18 – x = 7
4. )-7x = 18
5. )7 – x = 18

Respuesta :

2. x-7=18 because x would be the number with "7 less"  being the "-7."
vilu1
Should we have x be the unknown number, we would have "7 less than this number is 18" transltae into x - 7 = 18.

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