70 points for one ! right answer ! the steps below show the incomplete solution to find the value of x for the equation 5x − 2x − 3 = −2 + 15: step 1: 5x − 2x − 3 = −2 + 15 step 2: 5x − 2x − 3 = 13 step 3: 3x − 3 = 13 which of these is most likely the next step? 3x = 16 3x = 10 3x = 39 3x = 3