546 - (x + 65) = 76546 - x - 65 = 76481 - x = 76-x = 76 - 481-x = -405x = 405
(123 - x) + 12 = 99123 - x + 12 = 99135 - x = 99-x = 99 - 135-x = -36x = 36
546 - (x + 65) = 76
546 - x - 65 = 76
481 - x = 76
-x = 76 - 481
-x = -405
x = 405
(123 - x) + 12 = 99
123 - x + 12 = 99
135 - x = 99
-x = 99 - 135
-x = -36
x = 36