3 years ago

Solve the system x+y=3 , x-y=1

Mathematics

1 answer:

vovikov84 [41]3 years ago

7 0

Answer:

x = 2, y = 1.

Step-by-step explanation:

x+y=3

x-y=1

Adding the 2 equations eliminates y:

2x = 4

x = 2.

Substitute for x in the first equation:

2 + y = 3

y = 3-2 = 1.

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