Try another version of this question Solve this system of equations `{(2x+4y,=,-18),(1x-4y,=,15):}` One or more solutions: No solutionInfinite number of solutions Box 1: Enter your answer as a point. Example: (2,5.5172) `(-1,-4)`
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Box 1: Enter your answer as a point. Example: (2,5.5172)