A student usually saves $ 20 $20 a month. He would like to reach a goal of saving $ 350 $350 in 12 12 months. The student writes the equation 350 = 12 ( x + 20 ) 350=12(x+20) to represent this situation. Solve the equation for x x. ​ • Show your work or explain your answer. ​• Write your answer as a sentence that describes what the variable x x represents. ​ Enter your answers and your work or explanation in the box provided.