erbnichole
12.02.2021 •
Mathematics
Resolver por sustitucion
y=x+8
x+y=2
Solved
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Ответ:
x=-3, y=5. (-3, 5).
Step-by-step explanation:
y=x+8
x+y=2
x+(x+8)=2
x+x+8=2
2x+8=2
2x=2-8
2x=-6
x=-6/2
x=-3
substitute x=-3,
y=-3+8=5
(-3, 5).
Ответ: