the product of a and b is equal to 12 more than twice the sum of a and b . if b = 10 , what is the value of b - a ?
ab = 12 + 2 ( a + b ) 10 a = 12 + 2 a + 20 8 a = 32 a = 4 b - a = 10 - 4 = 6 d is the answer
subtract(10, divide(add(multiply(10, const_2), 12), subtract(10, const_2)))