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Q: 123 plus 54 equals 15 71 plus 2 equals 10 33 plus 77 equals?

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The answer is 20. In each addition, the individual digits are added together (1+2+3+5+4 = 15)

-10 + 15 is the same as 15 - 10, which equals 5.

8.2 x 15 = 123

x=5

18 + 10 + 20 + 30 + 15 + 50= 143

If: x+10 = 15 then x = 5

The answer is 27. 10+15=25. 25+2=27.

It is: 5+10 = 15

25 plus 10 equals 35 and 25 minus 10 equals 15. Hope this helps!

-15 over 23

71

1 + 30 + 2 + 3 + 5 + 6 + 10 + 15 = 72

No.

s = -70

24

It equals 285

If: x/3 + 10 = 15 Then: x = 15

That statement is false, 5 + 10 = 15

-5

n=13

few errors in your title: 2 plus 4 = 6 6 plus 9 = 15 10 plus 25 = 35 18 + 81 = 99

15+20

9/15 + 10/15 = 1 and 4/15

5 plus 25 equals 60. Need to solve for 5 plus 25 equals ?: 2 plus 10 equals 24 is equivalent to 2 × (1 plus 5) equals 2 × (12); and 3 plus 15 equals 36 is equivalent to 3 ×(1 plus 5) equals 3 × (12); thus 5 plus 25 equals ? is equivalent to 5 × (1 plus 5) equals 5 × (12); thus ? = 5 × 12 = 60.

Well there are quite a few numbers that added together will equal negative 15: here are just a few examples: negative 1 plus negative 14 equals negative 15 (-1 + -14 = -15) negative 2 plus negative 13 equals negative 15 (-2 + -13 = -15) negative 3 plus negative 12 equals negative 15 (-3 + -12 = -15) negative 4 plus negative 11 equals negative 15 (-4 + -11 = -15) negative 5 plus negative 10 equals negative 15 (-5 + -10 = -15) negative 6 plus negative 9 equals negative 15 (-6 + -9 = -15) negative 7 plus negative 8 equals negative 15 (-7 + -8 = -15) negative 30 plus positive 15 equals negative 15 (-30 + 15 = -15) negative 29 plus positive 14 equals negative 15 (-29 + 14 = -15) negative 28 plus positive 13 equals negative 15 (-28 + 13 = -15) and on an on it goes.