Iklan

Pertanyaan

Jika 2 y 8 x ​ = 32 dan 4 x . 2 y = 3 2 2 , maka x - y = ...

Jika , maka x -  y = ...

  1. 5

     

  2. -6

  3. 7

  4. -1

  5. 8

     

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

02

:

23

:

13

:

11

Klaim

Iklan

A. Acfreelance

Master Teacher

Jawaban terverifikasi

Jawaban

nilai x - y = 3 - 4 = -1

nilai x - y = 3 - 4 = -1

Pembahasan

Eliminasi pers (1) dan pers (2) Sehingga nilai x - y = 3 - 4 = -1

begin mathsize 14px style 8 to the power of straight x over 2 to the power of straight y equals 32 rightwards arrow straight space open parentheses 2 cubed close parentheses to the power of straight x over 2 to the power of straight y equals 2 to the power of 5             space rightwards arrow          2 to the power of 3 straight x end exponent over 2 to the power of straight y equals 2 to the power of 5             space rightwards arrow    2 to the power of 3 straight x minus straight y end exponent equals 2 to the power of 5       space space space    straight space rightwards arrow 3 straight x minus straight y equals 5 horizontal ellipsis open parentheses pers straight space 1 close parentheses  4 to the power of straight x straight space. straight space 2 to the power of straight y equals 32 squared rightwards arrow open parentheses 2 squared close parentheses to the power of straight x straight space. straight space 2 to the power of straight y equals open parentheses 2 to the power of 5 close parentheses squared                               rightwards arrow 2 to the power of 2 straight x plus straight y end exponent equals 2 to the power of 10                               rightwards arrow 2 straight x plus straight y equals 10 horizontal ellipsis open parentheses pers straight space 2 close parentheses end style

 

Eliminasi pers (1) dan pers (2)

begin mathsize 14px style table row cell 3 straight x minus straight y equals 5             straight space end cell row cell stack bottom enclose 2 straight x plus straight y equals 10 end enclose    plus with blank below end cell end table space space space space space space space space space 5 straight x equals 15 space space space space space space space space space space space space straight x equals 3  Subtitusi space straight x equals 3 space space space space space space space 2 straight x plus straight y equals 10 space space space space space 2 left parenthesis 3 right parenthesis plus straight y equals 10 space space space space space space space space space space space space space space space straight y equals 4 end style

Sehingga nilai x - y = 3 - 4 = -1

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

1

Anisa Febri

Pembahasan lengkap banget Makasih ❤️

Iklan

Pertanyaan serupa

Jika n memenuhi …

3

4.3

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02130930000

02130930000

Ikuti Kami

©2025 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia