10 points for simple questions! what is the value of z in the equation 2(4z − 6 − 6) = 170 − 46? 12.5, 15.5, 16.5, 18.5 how many solutions does the equation 5x + 3x − 4 = 10 have? zero, one, two, infinitely many what is the value of z in the equation 4(2z + 3) = 12? −13, 12, 0, 12 what is the solution to the following equation? 5(2x − 6) + 20 = 10 9, 5, 3, 2the 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