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Akimi4 [234]
3 years ago
9

Solve the system using an equivalent system

Mathematics
1 answer:
DerKrebs [107]3 years ago
8 0
Add y to both sides in 1st equation
-2x=y
sub -2x for y in2nd equation
3x-(-2x)=10
3x+2x=10
5x=10
divide 5
x=2

sub back
-2x=y
-2(2)=y
-4=y

(x,y)
(2,-4)
C is ans
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