Question

What property justifies Step 3 in solving this equation?

3(2x - 5) = 4x – 12
Distributive property
Subtraction property of equality
Step 1: 6x – 15 = 4x – 12
Step 2: 2x – 15 = -12
Step 3: 2x = 3
Step 4: x = Ź
3
Division property of equality

Answer 1

Division just look at the first part you can tell because there multiplying the numbers...

Answer 2

The answer is Division property of equality. This is because at Step 3, you have to divide to get your final answer. It cannot be the other ones because you do not subtract or distribute in step 3.