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scoundrel [369]
3 years ago
6

Find the value of two numbers if their sum is 32 and their difference is 14.

Mathematics
1 answer:
OverLord2011 [107]3 years ago
4 0
23 and 9 are the two numbers

Explanation:

x = one number
y = other number

x + y = 32 {sum of two numbers is 32
x - y = 14 {difference is 14}
-----------
2x = 46 {added the two equations together}
x = 23 {divided both sides by 2}

x + y = 32 {top equation}
23 + y = 32 {substituted 23, in for x, into top equation}
y = 9 {subtracted 23 from both sides}

23 and 9 are the two numbers
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Suppose y= 2x - 2.5. Find x if y =10
Marat540 [252]

Plug 10 in for y.

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12.5=2x

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Hope this helps! :)

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One solution of x^2-64=0 is 8. what is the other solution?
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The sum of two numbers is negative fifteen, and one number is five less than the other. Using the variables m and n to represent
Likurg_2 [28]

We need to use the variables m and n to represent both numbers.

Their sum must equal -15. Therefore, we can write the next equation:

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n = m-5

To find the value for each number, we can replace the n equation on the first equation:

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