8x + 7x + 9y + 9y
= (8x + 7x) + (9y + 9y)
= (8 + 7)x + (9 + 9)y
=> 15x + 18y
Dik:
Dit:
Hasil nya?
Jawab:
= 15x + 18y
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8x + 7x + 9y + 9y
= (8x + 7x) + (9y + 9y)
= (8 + 7)x + (9 + 9)y
=> 15x + 18y
Aljabar
Dik:
8x + 7x + 9y + 9y
Dit:
Hasil nya?
Jawab:
8x + 7x + 9y + 9y
= (8 + 7)x + (9 + 9)y
= 15x + 18y