18. Solve the system of linear equations by using substitution or elimination Sy = 2x – 1 (-20 – y = 5 (2, –3) (2, –1) (-1, 3) (-1, –3)

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Solve the system of linear equations by using substitution or elimination.

18. Solve the system of linear equations by using substitution or elimination.
Sy = 2x – 1
1-20 – y = 5
O (2, –3)
O (2, –1)
O (-1, 3)
O (-1, –3)
Transcribed Image Text:18. Solve the system of linear equations by using substitution or elimination. Sy = 2x – 1 1-20 – y = 5 O (2, –3) O (2, –1) O (-1, 3) O (-1, –3)
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