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Harlamova29_29 [7]
2 years ago
9

(x + y , x - y) = (4 , 2)​

Mathematics
1 answer:
Naddika [18.5K]2 years ago
6 0

Step-by-step explanation:

(x + y , x - y) = (4 , 2)

x+y=4 ------(1)

x-y=2 ------(2)

_____ (adding two equation)

2x=6

x=3

From equation 1

3+y=4

y=1

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3 years ago
130 apples at the party. There were 3 times as many yellow apples as green apples, there were twice as many red apples as yellow
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Answer: There were 78 red apples at the party.

Step-by-step explanation:

This situation can be represented by the equation  

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