Question

19x + 13 -12x + 3 = 23

Answer 1

19x + 13 -12x + 3 = 23

⇒ 19x - 12x = 23 - 13 - 3

⇒ 7x = 23 - 16 = 7

⇒ x = `7/7 = 1`

∴ x = 1