Jawaban:
25a + 5b = 0 |×1| 25a + 5b = 0
a - b = -5 |×5| 5a - 5b = -25
-------------------- --
20a = 25
a = 25/20 = 1,25
substitusi nilai a = 1,25 ke persamaan a - b = -5
a - b = -5
1,25 - b = -5
b = 5 + 1,25
b = 6,25
Sehingga diperoleh nilai a = 1,25 dan nilai b = 6,25
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
25a + 5b = 0 |×1| 25a + 5b = 0
a - b = -5 |×5| 5a - 5b = -25
-------------------- --
20a = 25
a = 25/20 = 1,25
substitusi nilai a = 1,25 ke persamaan a - b = -5
a - b = -5
1,25 - b = -5
b = 5 + 1,25
b = 6,25
Sehingga diperoleh nilai a = 1,25 dan nilai b = 6,25