5x+2y=-4 -x+2y=8 Solve the system

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asked Sep 15, 2019 81.8k views

1 Answer

Mentor Reka · Answer 1 · 2019-09-22T06:40:29+0000

Subtract the second equation from the first.
.. (5x +2y) -(-x +2y) = (-4) -(8)
.. 6x = -12
.. x = -2

.. -(-2) +2y = 8
.. 2y = 6
.. y = 3

The solution is (x, y) = (-2, 3).

5x+2y=-4 -x+2y=8 Solve the system-example-1

5x+2y=-4 -x+2y=8 Solve the system

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