Karen found that the solution to x – 7 + 5x = 36 is x = 6. Which of these could be the way she found the solution? Add x + 5x, subtract 7 from both sides of the equation Add x – 7 + 5x, add 36 to both sides of the equation Add –7 and 5x, subtract x from both sides of the equation Add x + 5x, add 7 to both sides of the equation