Question

Solve the following system of linear equations by substitution method:

    2x – y = 2

    x + 3y =15
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Answer 1

Step-by-step explanation:

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2x-y=2--->1

x+3y=15--->2

2x-y=2

-y=2-2x

y=2x-2

Now substitute in eq 1

2x-y=2

2x-(2x-2)=2

2x-2x+2=2

2=2

Y value satisfy

x+3y=15

x+3(2x-2)=15

x+6x-6=15

7x-6=15

7x=21

x=3

Replacing in y=2x-2

y=2(3)-2

y=6-2

y=4

Thank you

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Answer 2

Answer:

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Step-by-step explanation: