Question

Kristy asks Lonnie to think of a number add it with 3 to it multiply the sum by 2 and the subtract 6. let (n) stand for Lonnies starting number. which expression represents Lonnies final number

Answer 1

Answer: the expression becomes 2(x +3) - 6.

Let the number be x. Then according to the question,

Step 1 :- Adding 3

=> x + 3

Step 2 :- Multiply the sum by 2

=> 2×(x + 3)

Step 3 :- Subtract 6

=> 2(x +3) - 6

Thus the expression becomes 2(x +3) - 6.

Answer 2

2(n + 3) - 6 is the expression that represents the final number.

Explanation: