Elimination was used to solve a system of equations.
One of the intermediate steps led to the e...
Mathematics, 06.03.2020 23:56 vm204618
Elimination was used to solve a system of equations.
One of the intermediate steps led to the equation 9x = 27
Which of the following systems could have led to this equation?
10x - y = 15
x + y =
– 12
9x + 2y = 21
– 9x – 2y = 21
7x – 2y = 15
x + y = 6
< + 3) =
2
-ON - 3
=
3
Answers: 3
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