Question

Twice a certain number minus 7 is equal to 5. What is the number.

Answer 1

6

Explanation:

2x-7=5

2x=12

x=6

x=the varible that represents the number

Answer 2

6

Explanation:

Let the number be x.

2x - 7 = 5

Add 7 to both sides.

2x = 5 + 7

2x = 12

Divide 2 into both sides.

x = 12/2

x = 6

The number is 6.