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VARVARA [1.3K]
3 years ago
7

The sum of two numbers is -5 and their difference is -1. Find the two numbers.

Mathematics
2 answers:
Novay_Z [31]3 years ago
6 0

Answer:

x=-3 and y=-2

Step-by-step explanation:

let the numbers be x and y

x+y=-5

x-y=-1

therefore x=-5-y

-5-y-y=-1

-2y=-1+5

-2y=4

y=-2

×=-5-(-2)

x=-5+2

x=-3

katrin2010 [14]3 years ago
4 0

Answer: -2 and -3

Step-by-step explanation:

  • Number #1 = x
  • Number #2 = y

x + y = -5

x - y = -1 -> x = y - 1

(y - 1) + y = -5

y - 1 + y = -5

2y = 1 - 5

2y = -4

y = -2

x = y - 1 = -2 - 1 = -3

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In quadrilateral ABCD, if m&lt;B=95°, m&lt;C=100, and m&lt;D=90°, find the measure of &lt;A
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