Mathematics, 15.12.2020 19:20 cancerbaby209

Roberto solved the following equation as shown. On which step did he apply the commutative property of addition as justification?
8+5(x - 3) = 23
Step 1: 8 + 52 - 15 = 23
Step 2: 5x + 8 - 15 = 23
Step 3: 52 - 7 = 23
Step 4: 52 = 30
Step 5: x = 6

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Roberto solved the following equation as shown. On which step did he apply the commutative property...