82 subtract by 20 = 62
No, it is not.
20 multiplied by 82 is 1,640.
82 - (20%) = 65.6
118
64
Subtract a negative 1. 19 - (-1) = 20
20
Add 20.
0
change 100 into 99.99(10) - 17.935, subtract right ending digits...(10)-5 =5 etc to get 82. 065
Looking at this as an algebra equation, x + 82 = 180, all you need to do is isolate x. To do this, subtract 82 from both sides of the equation to get x = 98.
The greatest common factor of 82 and 20 is 2.