7x + 3 = x – 9x = ….?wk wk​

⏩ Penyelesaian soal

Diketahui:

• 7x + 3 = x – 9

Ditanya:

• Nilai x

Jawab:

7x + 3 = x – 9

7x – x = -3 – 9

6x = -12

x = -12 ÷ 6

x = –2

Mohon dikoreksi

Jawaban:

x = -2

Langkah–langkah:

7x + 3 = x – 9

7x = x – 12

6x = -12

x = -12/6

x = -2