Q: What number plus 5 subtract 6 plus equals 20?

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

x+10=20 then you subtract 10 from both sides x=10

Let the number is x So, X+20=69 X=69-20 X=49 THE NUMBER IS 49 SO, 49 plus 20 equal to 69 .•.

I guess you mean: What number when you subtract 20, gives 40 as the answer?x - 20 = 40.Add 20 to both sides: x - 20 + 20 = 40 + 20x = 60

21+9=20

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To solve this one, subtract 50 from 180 and you'll have your answer.

x + 20 + 10x = 20 + 9x 11x + 20 = 20 + 9x Subtract 20 from both sides: 11x = 9x Subtract 9x from both sides: 2x = 0 Divide both sides by 2: x = 0

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

x+10=20 then you subtract 10 from both sides x=10

Subtract 20 from each side: n= 6. Job done. You could have done that!

20 = 400

Let the number is x So, X+20=69 X=69-20 X=49 THE NUMBER IS 49 SO, 49 plus 20 equal to 69 .•.

-x + 7 = 27 Subtract 7 from both sides: -x = 20 or x = -20

At No(F) + At No(Na) = 20.At No of Calcium = 20.

60 - 20 = 20 + 20=============

I guess you mean: What number when you subtract 20, gives 40 as the answer?x - 20 = 40.Add 20 to both sides: x - 20 + 20 = 40 + 20x = 60

21+9=20