Let number be N, then
2 x N + 5 = 45
2 x N = 45 - 5 = 40
N = 20
36
7
6
1
The number is 1 because (8 times1) + (-7) = 1
The number is 20.
36
6
36
7
The number is 121/2.
When you add a number to another number the result is their sum
The number required is 2/3 because 3*(2/3)+2*(3/2) = 5
7 just 7
One.
33
6