WORD PROBLEMS 1

When 7 is subtracted from twice a certain number, the result is greater than 33. Find the number.

Solution

Let the number be w.

2w – 7 > 33

2w > 33 + 7

2w > 40

2w > 40

2        2

w > 20 answer

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When 30 is subtracted from thrice a certain number, the result is greater than 33. Find the number.