" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x + y = 14 ⇒ dikali 3 ⇒ 6x + 3y = 42
___________ -
-7y = -28
y = 4
3x - 2y = 7
3x - 2(4) = 7
3x = 7+8
3x = 15
x = 5