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zeesharpe05
26.07.2019 •
Mathematics
How many solutions does this system of equation have −3x+7y=10 −3x+7y=−8
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Ответ:
-3x + 7y = -8
If you were to solve this system using elimination, you'd first multiply the bottom equation by -1 to get opposite x- and y-terms, like so:
-1(-3x + 7y = -8)
3x - 7y = 8
Now you can add the equations together.
-3x + 7y = 10
3x - 7y = 8
+
0 - 0 = 18
0 ≠ 18
As we know, zero is not equal to 18, so this system has no solutions.
Ответ:
Step-by-step explanation:
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