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28-09-2020
Mathematics

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The sum of two numbers is 10 the difference between the number is 4

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28-09-2020

Step-by-step explanation:

X + y = 10

X - y = 4

Rearrange

X= y + 4

Substitute

( y + 4) + y = 10

2y +4 = 10

2y = 6

Y = 3

If Y= 3,

x = (3) +4

X = 7

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