English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

The larger number is 3 more than twice the smaller numbers. Find the numbers.

2007-07-06 07:39:33 · 10 answers · asked by Renee S 1 in Science & Mathematics Mathematics

10 answers

Let one number be x.
Then the other is x + 16 ..........(1)
x + 16 is obviously larger than x.
Therefore:
x + 16 = 3 + 2x
Subtracting x from each side:
16 = 3 + x
Subtracting 3 from each side:
x = 13.
The numbers are therefore 13 and from (1), 29.

2007-07-06 07:47:14 · answer #1 · answered by Anonymous · 1 2

The "x" variable represents the small number; the "y" variable represents the large number.

1) y - x = 16
2) y = 3+2x

First: substitute "3+2x" with "y" in the 1st equation.

1) y - x = 16
3 + 2x - x = 16
3 + x = 16

Sec: combine "like" terms - subtract 3 from both sides (when you move a term to the opposite side, always use the opposite sign).

3-3+x = 16 - 3
x = 16 - 3
x = 13

Third: substitute 13 with "x" in the 2nd equation.

y = 3+2x
y = 3+2(13)
y = 3 + 26
y = 29

The numbers are: 13 & 29

2007-07-06 14:45:39 · answer #2 · answered by ♪♥Annie♥♪ 6 · 1 1

29 and 13

2007-07-06 14:58:02 · answer #3 · answered by hannahlc 2 · 0 1

First, define the terms:

X = smaller number
Y = larger #

Then define the relationship:

X + 16 = Y
2X + 3 = Y

Now substitute one way to express Y for the other:
So X + 16 = 2X + 3

Now combine terms, simplify, and you'll have the answer.

2007-07-06 14:45:23 · answer #4 · answered by Ralfcoder 7 · 0 1

let x be the smaller number. then, the larger number is (2x+3).
The difference is (2x+3)-x=16
2x+3-x=16
x+3=16
x=13 (smaller)
2(13)+3 =29 (larger)

2007-07-06 14:52:39 · answer #5 · answered by cidyah 7 · 0 1

Let the no.s are x&y
so x-y=16--------(1)
also x=2y+3
Or x-2y=3--------(2)
Subtracting (2) From (1)
y=13
So subsituting y=13 in (1),we get
x-13=16
so x=29
so the no.s are 29 &13

2007-07-06 15:44:12 · answer #6 · answered by MAHAANIM07 4 · 0 1

x-y=16
x=2y+3
2y+3-y=16
y=13
x=29
ans 29, 13

2007-07-06 14:47:10 · answer #7 · answered by zohair 2 · 1 0

call the 1st and the bigger number is x, 2nd number is y
you'll have:
x-y=16
x=3+2y
=>x-y=16
x-2y=3
=>2x-2y=32
-x+2y=-3
=>x=29
-(29)+2y=-3
=>x=29
2y=26
=>x=29
y=13

2007-07-06 15:04:42 · answer #8 · answered by God_Of_War 2 · 0 1

uh 29 and 13

2007-07-06 14:47:29 · answer #9 · answered by Brian K 2 · 0 2

29 and 13

x-y=16 so x=16+y
x=3+2y
16+y=3+2y
13=y

2007-07-06 14:42:55 · answer #10 · answered by Mr. me 2 · 3 2

fedest.com, questions and answers