medium · SAT Math
A system of two linear equations in the variables x and y is graphed in the xy-plane. The first equation is y = 2x + 5.
If the system has exactly one solution, which of the following could be the second equation?
- y = 3x + 5
- -2x + y = 10
- 2x - y = 8
- 4x - 2y = -10
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