Mathematics, 13.10.2020 06:01 santosm35

Which property justifies step 3 when solving the equation below? 3(x + 3) = 6(x-4)
Step 1: 3(x + 3) = 6(x-4)
Step 2: 3x + 9 = 6x-24
Step 3: 3x + 9-9 = 6x-24-9
Step 4: 3x - 6x = 6x - 6x - 33
Step 5: -3x = -33
Substitution property of equality
O Subtraction property of equality
Distributive property
Additive inverse property

Answers: 3

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Which property justifies step 3 when solving the equation below? 3(x + 3) = 6(x-4)
Step 1: 3(...