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lisabon 2012 [21]
3 years ago
14

Which method would be more efiicient to solve the system y=1/2x and 2x+3y=28

Mathematics
1 answer:
Licemer1 [7]3 years ago
6 0
Probably the subsitution method


y=1/2x
subsitute that fr y

2x+3(1/2x)=28
2x+3/2x=28
times 2 both sides
4x+3x=56
7x=56
divide by 7 both sides
x=8
sub back

y=1/2x
y=1/2(8)
y=4

(x,y)
(8,4)
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