3 years ago

What is the solution to the system x+ y =4 and 2x - y = -1

Mathematics

1 answer:

Lostsunrise [7]3 years ago

4 0

Answer:

Step-by-step explanation:

hello :

the system is : x+ y =4 ...(*)

2x - y = -1...(**)

add(*) and (**) : 3x=3 so : x=1

put this value into (*) : 1+y=4 so : y=3

one solution : (1 , 3)

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