Dik :
Dit :
Jwb :
U2 = a + b = 7
U4 = a + 3b = 15 -
-2b = -8
b = -8 ÷ -2
b = 4
- - -
a + b = 7
a + 4 = 7
a = 7 - 4
a = 3
U11 = a + 10b
= 3 + 10(4)
= 3 + 40
= 43
Jadi, U11 adalah 43
_ _ _ _ _
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Penyelesaian
Dik :
Dit :
Jwb :
U2 = a + b = 7
U4 = a + 3b = 15 -
-2b = -8
b = -8 ÷ -2
b = 4
- - -
a + b = 7
a + 4 = 7
a = 7 - 4
a = 3
- - -
U11 = a + 10b
= 3 + 10(4)
= 3 + 40
= 43
Jadi, U11 adalah 43
_ _ _ _ _