erica86
solve the following system of equation x+3y=2, x=6-3y
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prowrestler
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im trying to figure this out ok
prowrestler
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i know that x=3
prowrestler
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and y = 6
kc_kennylau
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No, 3+3*6 is not 2
kc_kennylau
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There is no solution: the two lines are parallel to each other
MrNood
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rewrite as:
x+3y=2, x=6-3y
y=2/3-x/3 and
y=2-x/3
The slope is the same (because the value before the x is -1/3 in both equations)
Therefore the lines are parallel
kc_kennylau
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Or substitute the second equation into the first:
6-3y+3y=2
6=2
Which makes it invalid
Which makes there be no solution
cece1902
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6=2
MrNood
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@cece1902 BUT 6 is NOT equal to 2 - so see @kc-kennylau 's answer above...