Question

CALCULE O VALOR DA CONSTANTE REAL K PARA QUE A SEQUENCIA (2,-1,3) SEJA SOLUÇAO DA EQUAÇAO LINEAR X+5Y+KZ=6

Answer 1

$x+5y+kz=6$

o enunciado diz que
x= 2
y = -1
z = 3

$2+5*(-1) + k*3=6\\\\2-5+3K=6\\\\-3+3K=6\\\\3K=6+3\\\\3K=9\\\\K= \frac{9}{3} \\\\K=3$