3x + 12 = 7x – 8x = ?​

Jawaban:

3x + 12 = 7x – 8

3x – 7x = -8 – 12

-4x = -20

x = -20/-4

x = 5

Kesimpulan:

Hasil nilai x = 5 ✓

3x + 12 = 7x – 8

3x – 7x = -8 – 12

-4x = -20

x = -20/-4

x = 5

:)