Question

1. Solve the following pair of linear equations by the substitution method.
1 x+y=14
x-y=4​

Answer 1

Step-by-step explanation:

x + y = 14

x = 14 - y - equation 1

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x - y = 4 - equation 2

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Now let's put equation 1 in equation 2 =

14 - y - y = 4

14 - 2y = 4

2y = 14 - 4

2y = 10

y = 10 ÷ 2

y = 5

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x = 14 - y

x = 14 - 5

x = 9

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x = 9

y = 5

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