Question

3x+2y=4 2x-2y=-4 método de suma y resta ​

Answer 1

Explicación paso a paso:

$3x + 2y = 4 \\ 2x - 2y = - 4 \\ 5x = 0 \\ x = 0$

$3x + 2y = 4 \\ 2y = 4 - 3x \\ y = \frac{4 - 3x}{2} = \frac{4 - 3 \times 0}{2} = \frac{4}{2} = 2$

$3 \times 0 + 2 \times 2 = 0 + 4 = 4$

$2 \times 0 - 2 \times 2 = 0 - 4 = - 4$

espero te sirva