Question

regla de clamer
egla de clamer
w-2z=10
2w+3z=-8​​

Answer 1

Respuesta:

$w - 2z = 10 \\ 2w + 3z = - 8$

........|1 -2|

∆s = |2 3| = 3 - (-4) = 7

∆z = |10 1|

........|-8 2| = 20 - (-8) = 28

.........|-2 10|

∆w = |3 -8| = 16 - 30 = -14

∆z = 28/7 = 4

∆w = -14/7 = -2