Question

write as an equation and solve :
A number decreased by 9 is 18.​

Answer 1

Answer:

Step-by-step explanation:

Let the number be x

As per question,

x-9=18

x=18+9

x=27

Hence the number decreasedvwhich when decreased by 9 is equal to 18 is 27.

Answer 2

Answer:

Step-by-step explanation:

Let the number = x

Number decreased by 9 = x - 9

Number decreased by 9 is equal to 18

⇒ x - 9 = 18

⇒ x = 18 + 9

⇒ x = 27.

∴ The number = x = 27 is the answer.