Umur Eka adalah 25 tahun, sedangkan umur Ria adalah 4/5 umur Eka. Jadi selisih umur Ria dan Eka adalah

f ( x ) = 2 x − 5 ; f ( x ) = 13 ⇓ 2 x − 5 = 13 2 x − 5 + 5 = 13 + 5 2 x = 18 2 x : 2 = 18 : 2 x = 9 ​ ​

Answered by Anonymous | 2024-06-10

f ( x ) = 2 x − 5 f ( x ) = 13 → 2 x − 5 = 13 2 x = 13 + 5 2 x = 18 x = 2 18 ​ x = 9 ​

Answered by Ryan2 | 2024-06-10

To find x when f ( x ) = 13 for the function f ( x ) = 2 x − 5 , we set up the equation 2 x − 5 = 13 . By solving this, we find that x = 9 . Hence, the answer is 9 .
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Answered by Anonymous | 2024-12-24

DiketahuiUmur eka 25 tahunUmur ria 4/5 umur ekaDitanyaSelisihDijawabUmur ria[tex] = \frac{4}{5} \times 25 \\ \\ = \frac{100}{5} = 20[/tex]Selisih= Eka - Ria[tex] = 25 - 20 \\ = 5[/tex]KesimpulanMaka selisihnya 5.

Answered by aquila0152 | 2025-07-07