Question

2x + 3y = 6

3x – y = – 2
el valor de x

Answer 1

Respuesta:

x = 0

Explicación paso a paso:

1)

2x + 3y = 6

3y = 6 - 2x

y = (6 - 2x)/3

2)

3x – y = – 2

3x + 2 = y

igualamos "y"

(6 - 2x)/3 = 3x + 2

6 - 2x = (3x + 2) * 3

6 - 2x = 9x + 6

6 - 6 = 9x + 2x

0 = 11x

0 = x