A + 12.5 = 20 Solve the following equation and show work
2 answers:
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8 is greater than or equal to x
(where x = the number of tickets)
or x is less than or equal to 8
(where x = the number of tickets)
or x is less than or equal to 8
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.