x → 9
y → 8
15x + 14y × 13x - 12y
15(9) + 14(8) × 13(9) - 12(8)
• = ( 15 × 9 ) + ( 14 × 8 ) × ( 13 × 9 ) - ( 12 × 8 )
• = 135 + 112 × 117 - 96
• = 135 + ( 112 × 117 ) - 96
• = 135 + 13.104 - 96
• = 135 + 13.008
• = 13.143
Jadi, hasil dari 15x + 14y × 13x - 12y adalah
x => 9
y => 8
(15 × 9) + (14 × 8) × (13 × 9) - (12 × 8)
135 + 112 × 117 - 96
135 + 13.104 - 96
13.239 - 96
= 13.143
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Diketahui :
x → 9
y → 8
Ditanya :
15x + 14y × 13x - 12y
Dijawab :
15(9) + 14(8) × 13(9) - 12(8)
• = ( 15 × 9 ) + ( 14 × 8 ) × ( 13 × 9 ) - ( 12 × 8 )
• = 135 + 112 × 117 - 96
• = 135 + ( 112 × 117 ) - 96
• = 135 + 13.104 - 96
• = 135 + 13.008
• = 13.143
Kesimpulan :
Jadi, hasil dari 15x + 14y × 13x - 12y adalah
15x + 14y × 13x - 12y
x => 9
y => 8
15(9) + 14(8) × 13(9) - 12(8)
(15 × 9) + (14 × 8) × (13 × 9) - (12 × 8)
135 + 112 × 117 - 96
135 + 13.104 - 96
13.239 - 96
= 13.143