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Nixon
Mathematics
24 March, 17:21
Solving special systems
Y=x+1
-x+y=3
+1
Answers (
1
)
Rachel Zamora
24 March, 17:39
0
Plug the first equation into the second
-x + (x + 1) = 3
1 = 3
This is obviously false, so that means the two lines are parallel and have no solution
If we rarrange - x + y = 3, we get
y = x + 3
And the first equation was y = x + 1
You can see that both have the same slope but different y-intercepts, which means that the two lines are parallel and have no solution.
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