Question

Gavin was thinking of a number. Gavin subtracts 10 from it and gets an answer of 2.7. What was the original number?

Answer 1

Answer:

12.7

Step-by-step explanation:

10+2.7=12.7

Answer 2

Answer:

The number is 12.7

Step-by-step explanation:

Forming algebraic expressions and solving:

   Let the number be 'x'

Subtract  10 from 'x' :  x - 10

      x - 10 = 2.7

Add 10 to both sides,

      x = 2.7 + 10

      x = 12.7

 2.7 +

10.0

12.7