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lorasvet [3.4K]
3 years ago
8

Please help me on this question as soon as possible….

Mathematics
2 answers:
Sonja [21]3 years ago
6 0
18+27f-39 *distribute*
27f-21 *add like terms*
tensa zangetsu [6.8K]3 years ago
3 0
First, you want to use the distributive property on 3(9f - 13): 

18 + 27f - 39 

Then, you need to subtract 18 from 39 (you will get a negaitve number): 

27f - 21 
Your answer should be the bottom left one: 27f - 21
Hopefully that helped! :) 
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Step-by-step explanation:

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\bf \qquad \qquad \textit{direct proportional variation}\\\\
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