MrSnuffleBuns4277
05.11.2020 •
Mathematics
If I got an 16/18 on my test,
my current grade is a 92.3,
Will that bring my grade up or down?
What grade is it? (Letter)
Solved
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Ответ:
You can multiply the 2nd equation by either -3 or -6
Step-by-step explanation:
If you are using elimination (imo substitution on this problem would be easier), then you need to eliminate one of the variables. If you are wanting to eliminate x first, then multiply by -3. If you want to eliminate y first, then multiply by -6.