November 2018 2 17 Report
"METODO SUMA Y RESTA "


2a+b=9
a-2b=-8

x-y=-5
3 x + 2y = 15

2m + 2n = - 22
8 m - 12n = 32

3x -y = 3
x - y = -1

3x + 2 y= 22
2 x + 3y=23

5 x + 2y = 14
2x+3y=23

2x + 7y =41
3x + 5y = 34

2y = 6 - x
3x-2y=6
Porfa ayuden !! se los agradecería mucho

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