3 years ago

Y=2x+9 y=6−x what is the solution??

Mathematics

1 answer:

Monica [59]3 years ago

7 0

Step-by-step explanation:

y=2x+9

y=6−x

(y-2x=9)(-1)

y+x=6

-y+2x=-9

y+x=6

3x=-3

x=-3/3=-1

sub x=-1 in eq 1

y-2(-1)=9

y+2=9

y=9-2=5

so (-1;5) is the only solution for this system

(hope it's correct)

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