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vampirchik [111]
3 years ago
7

Please answer this question!!

Mathematics
1 answer:
frosja888 [35]3 years ago
7 0
See attached picture for the solution

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Amelie solves the following system of equations.
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The values of x and y that satisfy this system of equations are 10 and 5 respectively

<h3>Simultaneous equation</h3>

Given the system of equations

x + y = 20

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_____________________

x + y = 20

x - y = 10

Add the equations

2x = 20 + 10

2x = 30

x = 30/2

x = 15

Substitute

x -y = 10

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y = 5

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