The difference of four times a number and seven is thirteen

Answer by Guest

4x - 7 = 13
4x = 20
x = 5

Answer by Guest

I believe the answer is either 5 or -1.5

4n - 7 = 13
7 - 4n = 13

4(5) - 7 = 13
7 - 4(-1.5) = 13



4(5) - 7 = 13

If your question is not fully disclosed, then try using the search on the site and find other answers on the subject Mathematics.