Question

PLEASE HELP 20 POINTS

1. What x,y ordered pair is a solution (answer) for both equations below?
You must explain how you got your answer. Also, are there other ways you can get the answer? Describe them or “prove” that your answer is correct in different ways.
x + y = 2 and x + 3y = 4

Answer 1

1,1

Step-by-step explanation:

Substitute 1 and 1 for x and y

x + y = 2

(1) + (1) = 2 ----> Works

x + 3y = 4

(1) + 3(1) = 4

1 + 3 = 4 ------> Works

Answer 2

1,1

Explanation:

Substitute 1 and 1 for x and y

x + y = 2

(1) + (1) = 2 ----> Works

x + 3y = 4

(1) + 3(1) = 4

1 + 3 = 4 ------> Works

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