3. Andre and Elena are solving this system of equations:
y = 3x
y=9x – 30
- Andre's fir...
Mathematics, 30.10.2020 09:50 hungtistic
3. Andre and Elena are solving this system of equations:
y = 3x
y=9x – 30
- Andre's first step is to write: 3x = 9x - 30
- Elena's first step is to create a new system:
3y=9x
y = 9x - 30
Do you agree with either first step? Explain your reasoning.
Answers: 3
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