evaluate : 30 - | - x + 6 | for x = 10
substitute x by 10 in the given expression and evaluate 30 - | - ( 10 ) + 6 | = 30 - | - 10 + 6 | = 30 - | - 4 | = 30 - 4 = 26 correct answer b ) 26
subtract(30, negate(add(negate(10), 6)))