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X+y=5 2x-y=4 solve garpa​

User Volcanic
by
5.4k points

2 Answers

2 votes

Answer:

x = 3, y = 2

Explanation:

x + y = 5

x = 5 - y

2x - y = 4

2(5 - y) - y = 4

10 - 2y - y = 4

10 - 3y = 4

3y = 10 - 4

3y = 6

==> y = 2

x = 5 - y

x = 5 - 2

==> x = 3

User Vitro
by
5.5k points
2 votes

Answer:

x=3. y=2

Explanation

x+y=5 2x-y=4

x=5-y

2(5-y) - y =4

10-2y-y=4

-2y - y = 4 - 10

-3y = -6

y = 2

x = 5-y

x=5-2

x=3

User Harrison Tran
by
4.9k points