If you would like to solve 4 + 3/5 * (15 + 2x) = 25 for x, you can do this using the following steps:4 + 3/5 * (15 + 2x) = 253/5 * (15 + 2x) = 25 - 49 + 6/5 * x = 216/5 * x = 21 - 96/5 * x = 12 /*5/6x = 12 * 5/6x = 10The correct result would be x = 10.