−12x+3−4x+5+3/2x Subtract 4x from -12x -16x+3+5+3/2x Add 5 to 3 -16x+8+3/2x Add 3/2x to -16x -16x+3/2x+8 Convert -16x to a improper fraction -16x/1+3/2x+8 Multiply until both fractions have the same common denominator -32/2x+3/2x+8 Add the numerators but NOT the denominators Final Answer: -29/2x+8 or -14 1/2x+8 *Both answers are equivalent to each other.