2x + 3y = 1
3x - y = 7
y = 3x - 7
subs y ke pers
2x + 3(3x - 7) = 1
2x + 9x - 21 - 1 = 0
11x - 22 = 0
11x = 22
x = 22/11
x = 2
subx x ke pers
y = 3(2) - 7
y = 6 - 7
y = -1
Jadi HPnya (2 , -1)
Semoga membantu
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x + 3y = 1
3x - y = 7
y = 3x - 7
subs y ke pers
2x + 3y = 1
2x + 3(3x - 7) = 1
2x + 9x - 21 - 1 = 0
11x - 22 = 0
11x = 22
x = 22/11
x = 2
subx x ke pers
y = 3x - 7
y = 3(2) - 7
y = 6 - 7
y = -1
Jadi HPnya (2 , -1)
Semoga membantu