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Mathematics, 27.05.2020 20:00 jalenevoyles

PLEASE ANSWER ASAP!
Which system of equations has only one solution?
4 x + 2 y = 8.- 4x - 2 y = 3.
-5 x + y = 6. 5x - y = -6.
-3 x + 4 y = 2. 3x - 4y = 0.
2 x + 4 y = 6. 3x - 4y = 9.

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Which system of equations has only one solution?
4 x + 2 y = 8.- 4x...
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