c. left{begin{array}{l}2 x-y=23 x-9=-1end{array}right.

Question

c. left{begin{array}{l}2 x-y=23  x-9=-1end{array}right.

Accepted Answer

Step:1 ：Solve the second equation for x: (x - 9 = -1 Rightarrow x = 8)Step:2 ：Substitute x into the first equation: (2(8) - y = 23 Rightarrow y = -7)Step:3 ：(boxed{x = 8, y = -7})

Answer

Step: 1 ：Solve the second equation for x: (x - 9 = -1 Rightarrow x = 8)Step: 2 ：Substitute x into the first equation: (2(8) - y = 23 Rightarrow y = -7)Step: 3 ：(boxed{x = 8, y = -7})

c. $\left\{\begin{array}{l}2 x-y=23 \\ x-9=-1\end{array}\right.$

Answer

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