{
−
Mathematics, 23.03.2020 23:05 noglapotato
Which of these strategies would eliminate a variable in the system of equations?
{
−
x
+
6
y
=
8
7
x
−
y
=
−
2
⎩
⎪
⎪
⎨
⎪
⎪
⎧
−x+6y=8
7x−y=−2
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Choose all answers that apply:
Answers: 3
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Which of these strategies would eliminate a variable in the system of equations?
{
−
{
−
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