Question

, me ajude pessoal é para agora

Answer 1

x+y=6
2x+y=24
3x=30
x=30/3
x=10
,,,,,,,,,,,,,,,
10+y=6
y=6-10
y=-4
..
S={10,-4}✔


x+2y=5
x+3y=8
×=5-2y
,,,,,,,,,,,,,,,
5-2y+3y=8
Y=8-5
y=3
......
x+2 (3)=5
x=5-6
x=-1

S={-1,3}✔