An equation and the steps to solve it are shown below: 5x minus one over five times the quantity 20x plus 5 equals 9 Step 1: 5x - 4x - 1 = 9 Step 2: x - 1 = 9 Step 3: x - 1 + 1 = 9 + 1 Step 4: x = 10 In which step was the error made and why? Step 1, because incorrect signs have been used Step 2, because the terms have been subtracted incorrectly Step 3, because a number has been subtracted from both sides of the equation No error was made
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