Question

metodo da adiçao
x-y=4
x-3y=-3

Answer 1

Resposta:

X-Y=4

X-3Y=-3

x=4+y

x-3y=-3

4+y-3y=-3

y=7

2

x=4+7

2

x=15

2

(x,y)=15 ,7

2 2

15 - 7=4

2 2

15-3×7=-3

2 2

4=4

-3=-3

(x,y)=15 , 7

2 2