Question

Solve the pair of linear equation by Substitution Method:

x + y = 3, x - y = 1


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Answer 1

Answer:

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Answer 2

Answer:

x--3-y

3-y-y---1

3-2y--1

-2y--1-3

-2y-- -2

y--1

x--3-y

x--3-1

x--2