Britney traveled from the school to the mall and then from the mall to the library Alice traveled directly from school to the li
1 answer:
You might be interested in
The answer is D, i.e. the system was solved via elimination
If you multiply the first equation by 5, the system becomes
If you sum the two equations, you get
And so if you substitute the second equation of system A with this new equation, you'll get system B.