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02-03-2018
Mathematics

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Solve y=-2x+6 and 3y-x+3=0 using substitution

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02-03-2018

3(-2x+6) -x+3=0
-6x+18-x+3=0
-7x+21=0
-7x=-21
x=3

y=-2x+6
y=-2(3)+6
=6-6
=0

answer: (3,0)

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