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

1 Answer

Nov 13, 2015

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Explanation:

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

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

:)

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