andrewmena05
10.12.2020 •
Mathematics
Which of these strategies would eliminate a variable in the system of equations?
Pro
5x + 3y = 9
Pro
42 - 3y = 9
Tea
Choose all answers that apply:
Subtract the bottom equation from the top equation.
Add the equations.
Subtract the top equation from the bottom equation.
Solved
Show answers
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Ответ:
Ответ:
see explanation
Step-by-step explanation:
The sum of the first 9 consecutive odd numbers is
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 = 81