morrisn
morrisn
27-04-2017
Mathematics
contestada
Y=1/2x-3 and 9x-2y=-74 substitution
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treypad2702
treypad2702
27-04-2017
x
=
2
(
y
+
3
)
x=
9
2(y−37)
Answer Link
ghanami
ghanami
27-04-2017
hello :
Y=1/2x-3 ...(1)
and
9x-2y=-74....(2)
subsct in (2) :
9x-2(1/2x-3) = -74
9x-x+6 = -74
8x =-80
x = -10
in(1) : y =1/2(-10)-3
y = -8
Answer Link
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