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= 4(9) + 3(9) – 2(9)

= 36 + 27 – 18

= 63 – 18

= 45

Lim 4x + 3x – 2x

x = 9

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= 4(9) + 3(9) – 2(9)

= ( 4 × 9 ) + ( 3 × 9 ) – ( 2 × 9 )

= 36 + 27 – 18

= 63 – 18

= 45

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