A + 2B
= ( 3x + 2) + (2 ( 2 - 2y))
= 3x + 2 + ( 4 - 4y)
= 3x + 2 + 4 - 4y
= 3x + 6 - 4y
jadi nilai dari nilai A + 2b adalah 3x + 6 - 4y
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A + 2B
= ( 3x + 2) + (2 ( 2 - 2y))
= 3x + 2 + ( 4 - 4y)
= 3x + 2 + 4 - 4y
= 3x + 6 - 4y
jadi nilai dari nilai A + 2b adalah 3x + 6 - 4y