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Math Problem =The Sum of two consecutive even integers in 118. What is the 2nd number?

2007-11-12 15:29:56 · 10 answers · asked by W0W 1 in Science & Mathematics Mathematics

10 answers

It is obvious that the numbers are one either side of half of 118.

Half of 118 is 59.

The two integers are 58 and 60.

2007-11-12 15:33:33 · answer #1 · answered by Anonymous · 0 0

Let the first number be "x"
The next even number is "x+2"
(x) + (x+2) = 118
2x + 2 = 118
2x = 118 - 2 = 116
x = 116 / 2 = 58
There for, second number is 58 + 2 = 60
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2007-11-12 15:40:19 · answer #2 · answered by Joymash 6 · 0 0

x = first even interger
x + 2 = second even integer

sum is addiciton

x + x + 2 = 118
2x = 116
x = 58

so the second number is 58 + 2 = 60 <== answer

2007-11-12 15:35:03 · answer #3 · answered by Anonymous · 0 0

even integers are seperated by 2. so...
x+(x+2)=118
we don't need parentheses when adding, so
x+x+2=118
2x+2=118
2x=116
x=58
x is the first number so add two to x (58) to get 60!

2007-11-12 15:34:08 · answer #4 · answered by Mogget 2 · 0 0

x+x+2 = 118
2x = 116
x = 58
x + 2 = 60.
The second number is 60.

2007-11-12 15:38:08 · answer #5 · answered by steiner1745 7 · 0 0

n + (n+2) = 118
2n + 2 = 118
2n = 116
n = 58

So the two numbers are 58 and 60

2007-11-12 15:33:43 · answer #6 · answered by Jeƒƒ Lebowski 6 · 0 0

2nd no. : 60
1st no. : 58

58+60= 118

2007-11-12 15:39:26 · answer #7 · answered by Ace 2 · 0 0

n+(n+2)=118
combine like terms
2n+2=118
subtract both sides by 2
2n=116
divide both sides by 2
n=58

58 is the first.
to get the second, add 2
n+2
58+2=60

2007-11-12 15:34:26 · answer #8 · answered by Carmen 4 · 0 0

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2016-09-29 03:22:46 · answer #9 · answered by southand 4 · 0 0

x+y=118
x-y=2
simultaneous equation
y=118-x
x-(118-x)=2
x-118+x=2
2x-118=2
2x=118+2
2x=120
x=60
60+y=118
y=118-60
y=58

2007-11-12 15:36:00 · answer #10 · answered by Harris 6 · 0 0

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