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Mathematics
Areli Whitehead
27 October, 16:54
Solving special systems
Y=x+1
-x+y=3
+2
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1
)
Isai Dalton
27 October, 17:37
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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