Question

by gauss elimination solution to x+y=2 and x-y=4 is

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Answer 1

Step-by-step explanation:

x + y = 2

x - y = 4

= 2x + 0 = 6

Therefore x = 3.

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Answer 2

x+y=2 + x-y=4

= 2x = 6

= x = 3

x+y = 2

3+y = 2

y = 2-3

y = -1

(3,-1) is the answer.