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Q: What does twice the sum of a number and 4 mean?

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If the sum of a number and 4 is (X + 4) then twice that is 2(X + 4) which is 2X + 8

It is 2*(x+4)

The sum of the sum and difference gives twice the larger number 14 + 4 = 18 → the larger number is 18 ÷ 2 = 9 The difference of the sum and the difference gives twice the smaller number 14 - 4 = 10 → the smaller number is 10 ÷ 2 = 5 → The two numbers are 9 and 5.

Let the number be x:- If: 4+2x = 12 Then: x = 4

2*4 + 3*x = 34

x+4.

0.Because 456 + 0 = 456. and the digit 4 is used twice in the sum.

3x + (-4) â‰¥ 2x + 8

Half of 18 is 9 and 5+4 = 9 so the number is 5

4 + 2*n â‰¥ 20

2(k+4)

16.5

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