How do you solve the following linear system: $-9 y + 2x = 2 , -x + y = 3$ ?

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Answer 1 · 2015-11-13T12:50:33

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Change equation 2 to make y as a subject and then subtitute it into equation 1.

Subtitute the answer $x=-29/7$ into equation 2 to find y and solve it.

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How do you solve the following linear system: -9 y + 2x = 2 , -x + y = 3-9 y + 2x = 2 , -x + y = 3?