Answer:
Solution given:
9x-18=9
9x=9+18
9x=27
x=27/9
x=3
9x - 18 = 9
⇛ 9x = 9 – (–18)
⇛ 9x = 9 + 18
⇛ 9x = 27
⇛ x = 27/9
⇛ x = 3
