Question

what will you get if 3 tmes x is subtracted from the largest 2-digit number

Answer 1

= 99 - 3x
3x = 99
x = 99/3
x = 33

Answer 2

99-3x = 0
99-3x -99 = 0-99
-3x = -99
-3x / -3 = -99/ -3
x = 33