7/13 is already in simplest form.
yes it is
13 + 23 + 12 + 7 = 55
13 + 21 - 7 + 12 = 15
6 + 13 + 2 + 12 + 7 + 14 = 54
13 = 7 + s(13 - 7) = (7-7) + s6 = s
6 + (-13) =6 - 13 = -7
7
83
It is: 7+13-6+5 = 19
In the equation 3x plus 7 equals 13, x is equal to 2.
-13
13