Cookbryce70 Cookbryce70

16-03-2017
Mathematics

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y=2x
x+y=12

you have to find the systems of equations

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16-03-2017

y=2x
subsitute 2x for y in other equatin
x+2x=12
3x=12
divide both sides by 3
x=4
sub back
y=2x
y=2(4)
y=8

(x,y)
(4,8)

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