2. for the equation 3x = 27, what inverse operation must be performed to isolate the variable? addition subtraction multiplication division 3. 4. select the correct expansion of the exponent term 155 15 5 15 x 5 15 x 15 x 15 x 15 x 15 none of the above 5. what is the inverse operation that must be performed to solve the equation x - 15 = 9? add 15 to both sides of the equation subtract 15 from both sides of the equation subtract 9 from both sides of the equation add 9 to both sides of the equation 6. select all of the steps that should be performed to solve the equation 12 + t = 108 (3 points, which means you are to select three options below. no partial credit.) 12 + t = 108 - 12 12 - 12 + t = 108 - 12 t = 96 0 = 96 - t 0 + t = 96 - t + t 12 + t = 108; 12 + 96 = 108; 108 = 108 √ 7. which is the correct answer for the term −34 - 3 4 ? -12 12 -81 81 description