Question

3x-2y = 3 2х-y=4
método de igualación​

Answer 1

Explicación paso a paso:

$3x - 2y = 3 \\ 3x = 3 + 2y \\ x = \frac{3 + 2y}{3} \\ \\ 2x - y = 4 \\ 2x = 4 + y \\ x = \frac{4 + y}{2} \\ \frac{4 + y}{2} = \frac{3 + 2y}{3} \\ 12 + 3y = 6 + 4y \\ - 6 + 12 = 4y - 3y \\ 6 = y$

$x = \frac{4 + y}{2} = \frac{4 + 6}{2} = \frac{10}{2} = 5 \\ x = 5$

$3x - 2y = 3 \times 5 - 2 \times 6 = 15 - 12 = 3$

$2x - y = 2 \times 5 - 6 = 10 - 6 = 4$

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