" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
3p-2q=-18 ×2
6p+15q=21
6p-4q =-36 -(DIKURANGKAN)
19q = 57
q = 3
2p+5q=7
2p+5(3)=7
2p+15=7
2p =7-15
2p = -8
p = -4
4p+3q
4(-4)+3(3)
-16+9= 7