Question

3x-5y=-1
-2x+3y=1

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Answer 1

Explicación paso a paso:

$3x - 5y = - 1 \\ - 2x + 3y = 1 \\ si \:sumamos \: ambos \\ x - 2y = 0(multiplica \: x2) \\ - 2x+ 3y = 1 \\ 2x - 4y = 0 \\ - 2x + 3y = 1 \\ sumas \\ - 1y = 1 \\ y = - 1 \\ reemplaza \\ - 2x + 3( - 1) = 1 \\ - 2x + - 3 = 1 \\ - 2x = 4 \\ \times = - 2$