The expression could be: 2 -7n
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20
To write 7 less than 2 times a number, you would first multiply the number by 2. This gives you 2x. Then, you would subtract 7 from the result of 2 times the number: 2x - 7. This expression represents the value of 7 less than 2 times a number.
2100
The number is 8.... 7 x 8 = 56.... 2 x 8 = 16... 56 - 16 = 40
10x + 5 > 12x - 2 7 > 2x 7/2 > x