Matematika Sekolah Menengah Pertama 3x - 1 = x + 11nilai x?​

kattietorphyulv – April 19, 2023

3x - 1 = x + 11
nilai x?​

3x - 1 = x + 11

3x - x = 1 + 11

2x = 12

x = 12 ÷ 2

6 = x

Jadi nilai x nya 6.

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Penjelasan dengan langkah-langkah:

3x - 1 = x + 11

3x = x + 11 + 1

3x = x + 12

3x - x = x + 12 - x

2x = 12

x = 12/2

x = 6

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