" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-5x - 3y = -10
ーーーーーー (-)
7x = 14
X = 14/7
X = 2
2x - 3y = 4
2(2) - 3y = 4
4 - 3y = 4
4 - 4 = 3y
0 =3y
Y = 0
Nilai 19(x - y) = 19(2-0) = 19(2) = 38