" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x=y+1
subtitusikan ke x+2y=-11
x+2y=-11
y+1+2y=-11
3y=-12
y=-4
x=y+1 = (-4)+1 = -3
HP={-3,-4}
X- y = 1
<=> x+ 11 = -2y
X -1 = y
-------------------- -
12 = - 3y
Y= -4
(Substitusi kan ke persamaan 2)
X -(-4) = 1
X = -3