" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
*ax-by=-2
a(2)-b(4)=-2
2a-4b=-2
*2bx+ay=20
4b+4a=20
*2a-4b=-2
4a+4b=20
_________+
6a = 18
a=3
*2bx+ay=20
4b+3(4)=20
4b = 8
b=2
*2a-b= 2(3)-2 = 4
2) diket : HP = {(24,-30)}
*ax-3y=138
24a+90=138
24a = 48
a = 2
*5x+by=240
120-30b=240
-30b=120
b= -3
ditannya : a+2b
a+2b = 2+2(-3) = -4