2x + y = 3
4x + 3*y = -9
--> 4x + 2y = 6 (multiply first equation by 2)
--> 2y - 3y = 15 ({4x + 2y} - {4x + 3y})
--> y = -15
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Ringnyuh S.
asked • 12/17/18Need help with this question
Four times the number plus three * a second number is -9. Twice the first number plus the second number is three. Find the numbers
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