A:HAI B
B: HI
A : WAT R U DOIN?
B: I AM DOIN MATHS. IT IS BORING.
A:NO IT IS INTRESTING SUBJECT
A:LET ME SHOW SOME MAGIC ON NUMBERS
B:OK
A:& [ITS THE QUESTION] {THINK ABOUT A NUMBER. DONT TELL.MULTIPLY IT BY 2.ADD 6 TO IT.DIVIDE IT BY 2,LATER FROM THE ANSWER SUBTRACT THE NUMBER WHICH U THOUGHT 1 ST}
A: SHALLI SAY THE ANSWER?
B ; OK!
A:THE ANSWER IS 3
B: S BUT HOW
2007-12-06 03:52:48 · 6 answers · asked by Manian 2 in Science & Mathematics ➔ Mathematics
x = number thought of
2x = number doubled
2x+6 = doubled number + 6
(2x+6)/ 2 = x+3 = result divided by 2
x +3 -x = 3 = result after sbtracting number thought of.
2007-12-06 03:59:53 · answer #1 · answered by ironduke8159 7 · 0⤊ 0⤋
(x * 2 + 6 ) / 2 - x = 2 * x / 2 + 6 / 2 - x = x + 3 - x = 3
2007-12-06 04:02:56 · answer #2 · answered by Dracula 2 · 0⤊ 0⤋
((x * 2) + 6 )/2 - x = 3
2x/2 +6/2 - x = 3
x +3 -x = 3
3 = 3
2007-12-06 03:57:57 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Carrots
2016-05-28 10:53:17 · answer #4 · answered by ? 3 · 0⤊ 0⤋
Basically the amount of numbers it can be gets reduced at every calculation you do. It is a simple maths trick.
2007-12-06 03:55:14 · answer #5 · answered by Fizziwig 2 · 0⤊ 0⤋
cool ! there r many math stuff like that....
2007-12-06 03:56:20 · answer #6 · answered by Anonymous · 0⤊ 0⤋