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U10 = a+9b= 32 -
-------------------
eliminasi = -4b = -24
b= -24÷-4
b = 6
cari a
a+5(6) = 8
a+30 = 8
a = 8-30
a= -22
U45 = -22+(45-1)6
U45 = -22 + 44.6
= -22+ 264
= 242
8 = a+5b ...(1)
u10 = a+9b
32= a+9b...(20
a+5b = 8
a+9b= 32 -
-4b= - 24
b=6 ⇒ a+5b = 8
a=8-5(6)
a = -22
u45 = a+44b
= -22+ 44(6)
= 242