Mathematics, 19.05.2021 22:20 brayden2275
What equation combines with the given equation to form a system of equations with the solution x = 3 and y = 9? x + 2y = 21
A. 4x + 6y = 64
B. 2x + y = 36
C. 4x + y = 21
D, 3x + 2y = 28
Answers: 3
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