Question

When solving the equation 3(2x+6) +8=15,

Rose wrote 3(2x+6)=7 as her number one step. Name
the property and explain why you think it is that property.

Answer 1

That property is the Associate Property.

Explanation:

I think that because Rose moved 8 to the other side of the equation for her first step, so that is why I think this is the answer.

Answer 2

see below

Explanation:

3(2x+6) +8=15

Subtract 8 from each side using the subtraction property of equality

3(2x+6) +8-8=15-8

3(2x+6) =7