solve below question 2 x - 1 = 17
1 . add 1 to both sides : 2 x - 1 + 1 = 17 + 1 2 . simplify both sides : 2 x = 18 3 . divide both sides by 2 : 4 . simplify both sides : x = 9 e
divide(negate(add(17, 1)), 2)