waalaykumussalam
Penjelasan dengan langkah-langkah:
Jarak , kecepatan dan waktu
S = V t
s = 244 km
v1 = 4x - 8
t1 = 1
v2 = x + 23
t2 = 4
V1 t1 + V2 t2 = S
(4x-8) (1) + (x + 23) 4 = 244
4x - 8 + 4x + 92 = 244
8x + 84 = 244
8x = 244 - 84
8x = 160
x = 20
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waalaykumussalam
Penjelasan dengan langkah-langkah:
Jarak , kecepatan dan waktu
S = V t
s = 244 km
v1 = 4x - 8
t1 = 1
v2 = x + 23
t2 = 4
V1 t1 + V2 t2 = S
(4x-8) (1) + (x + 23) 4 = 244
4x - 8 + 4x + 92 = 244
8x + 84 = 244
8x = 244 - 84
8x = 160
x = 20