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starfox5454
07.12.2020 •
Mathematics
For the following system, if you isolated x in the second equation to use the substitution method, what expression would you substitute into the first equation?
Equation 1:2x + y = 8
Equation 2:-x-3y =-12
1. 3y + 12
2. -3y + 12
3. 3y - 12
4. -3y - 12
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Ответ:
Ответ:
16 degrees
Step-by-step explanation: