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MatematikaAljabar dasar VIII SMP
Pembahasan :
18y + 5(7 + 3y)
= 18y + 35 + 15y
= 33y + 35
————————————————
30(b + 2) + 2b
= 30b + 60 + 2b
= 32b + 60
————————————————
x + 5x + 8(x + 2)
= 6x + 8x + 16
= 14x + 16