Which system of equations will also have a solution of 2 comma 0 ?

Substitute x = 2 and y = 0 into each equation. In choice C, x + 4y = 2 + 4(0) = 2, and 7x = 7(2) = 14, so both equations are true. Choices A, B, and D include 6x − 4y = 6, but at (2, 0) its left side is 12, not 6.

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