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Q: What is 20 subtract by 17 and 3 and 2?

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-17

n + 20 - 17 + 13 - n = 20 - 17 + 13 = 3 + 13 = 16

Example: 20/17 minus 1 20/17 minus 17/17 3/17

The pattern is subtract 9, add 3. 26-9 = 17 17+3 = 20 20-9 = 11 11+3 = 14 14-9 = 5 So, 5 +3 = 8

3/20 - 17/100First make the denominators of both fractions equal.3/20(5/5) - 17/100 =15/100 - 17/100Now subtract.15/100 - 17/100 = -2/100 = -1/50

17

3 + 17 = 20

20

First find 15% of 20: 20 * 0.15 = 3 OR 20 * (15/100) = 3 Then subtract the 15% from 20: 20 - 3 = 17 Answer: 17.00

20

If the fractions have the same denominator, just add or subtract the numerators. 13/20 - 9/20 = 4/20 2/5 + 1/5 = 3/5

20 + (-17) = 3.

3 tens

-11 Pattern: Subtract 1, subtract 2, subtract 3 and so on.

13/20 - 3/5 = 13/20 - 12/20 = 1/20

18 2/3

20 - 3 = 17

3 6 4 8 6 12 10 20 18 36 34 68 Multiply 3 by 2 to get 6 Subtract 2 to get 4 Multiply 4 by 2 to get 8 Subtract 2 to get 6 Multiply 6 by 2 to get 12 Subtract 2 to get 10 .... Got it?

.5x+3=17 subtract 3 from each side and multiply both sides by 2 and you have x=28

1

-3/20.

19 + (2-4) + 3 = 19 + 2 - 4 + 3 = 21 - 4 +3 = 17 +3 = 20

68/20 = 17/5 or 3 and 2/5

5/6 of 20 20/6=3 1/3 3 1/3 * 5= 17 2/3

20