39X2=78
Twice, with two left over.
141 ÷ 51 = 2 remainder 39
Twice with a remainder of three
The number is 17.
13 goes into 39 three times. If that's not what you were asking, 39 goes into 78 twice, and 13 goes into 78 six times.
Twice, with two left over.
141 ÷ 51 = 2 remainder 39
Twice with a remainder of 7
Twice with a remainder of three
Twice with a remainder of one
Twice, with 11 left over.
6
The number is 17.
13 goes into 39 three times. If that's not what you were asking, 39 goes into 78 twice, and 13 goes into 78 six times.
4x-39 = 2x+3, 4x-2x = 42 x=21
46
39