Mathematics
toyeal
10

What is the solution to this system of equations? x − 2y = 15 2x + 4y = -18

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(1) Answers
asvpxsaint

(x-2y=15)*2 = (2x-4y=30) (2x+4y=-18) + (2x-4y=30) = (4x=12) 12 / 4 = 3 -18 - 6 = -12 -12 / 4 = -3 x = 3 y = -3

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