Find the Missing Number

[nycmathguy]

TWO TIMES A NUMBER IS SUBTRACTED FROM 13. IF THE DIFFERENCE IS 7, FIND THE NUMBER.

Let me see.

Let y = the number

13 - 2y = 7

-2y = 7 - 13

-2y = -6

y = -6/-2

y = 3

The number is 3.

 

[MathLover1]

correct

 

[nycmathguy]

correct

Thanks again.

P. S. Today I will get my deposit. My stuff is already at the new place. Tuesday morning, I start my new life. At my mom's place this weekend. Mira, the nightmare is over!