Consider the sequence of steps to solve the equation: 2 (x - 4) + 6x = 9x - 10
Given = 2 (x - 4) + 6x = 9x - 10
Step 1 = 2x - 8 + 6x = 9x - 10
Step 2 = 2x + 6x - 8 = 9x - 10
Step 3 8x - 8 = 9x - 10
Step 4 = 8x - 8x - 8 = 9x - 8x - 10
Step 5 = 0 - 8 = x - 10
Step 6 = - 8 = x - 10
Step 7 = - 8 + 10 = x - 10 + 10
Step 8 = 2 = x + 0
Step 9 = 2 = x
Which step in solving this equation is justified by the Distributive Property?
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