Question

1) x+y=7
x-y=1

2)x+2y=3
2x+4y=8

3)3x+y=0
3x+y=2

4)x+y=3
2x+2y=6

5)x-y=3
2x-2y=-4

6)2x+y=5
4x+2y=10

7)x-y=2
x+2y=17

8)x+y=4
2x+2y=-4

9)2x+y=2
6x+3y=6
Classifique pfv me ajudem pfv agradeço

Answer 1

1) x-y=2 (2)
x+2y=17

2x-2y=4
x+2y=4

3x=8/3

x=2,66...