An equation and the steps to solve it are shown below:
7x - one over two (8x + 4) = 6
Step 1: 7x - 4x - 2 = 6
Step 2: 3x - 2 = 6
Step 3: 3x - 2 + 2 = 6
Step 4: 3x = 6
Step 5: x = 2
Which step was the error made and why?
Step 1, because incorrect signs have been used
Step 2, because the terms have been added incorrectly
Step 3, because a number has been added only to one side of the equation
No error was made
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