Question

Q. IZI

[tex] \tt x - \frac{7x - 21}{5} = \frac{2x + 6}{5} + 1[/tex]
[tex] \tt a. \: x = \frac{5}{2} [/tex]
[tex] \tt b. x = \frac{9}{8} [/tex]
[tex] \tt c. \: x = \frac{7}{9} [/tex]

no ngasal
menggunakan cara
no copas

nt: lagi makan roti, rotinya malah dicolong ayam :v
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Answer 1

-2x + 21 = 2x + 11

2x + 2x = 21 - 11

4x = 10

x = 10/4

x = 5/2

• opsi a

Answer 2

A

Penjelasan dengan langkah-langkah:

SPLSV PECAHAN

x – 7x - 21 = 2x + 6 + 1

5 5

5x – 7x + 21 – 2x – 6 = 1

5

(5 – 7 – 2)x + (21 – 6) = 1 × 5

–4x = 5 – 15

–4x = –10

x = – 10

– 4

x = 5

2