2 years ago

Solve the systme of equations using elimination X+Y=2 X-Y=4

Mathematics

1 answer:

kirza4 [7]2 years ago

4 0

Answer:

x=3

y=-1

Step-by-step explanation:

x=4+y

by substitution it in equation 1

weget

(4+y)+y=2

4+2y=2

y=-1

x=3

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