Question

Identify which property of equality is used to transform Equation 1 to Equation 2.

Equation 1: x – 6 = 14
Equation 2: x = 20

A.
addition property of equality

B.
subtraction property of equality

C.
multiplication property of equality

D.
division property of equality

i think B. idk

Answer 1

...

Answer 2

Look at the left side of equation 1 and the left side of equation 2.
It went from x - 6 to just x.
What do you do to x - 6 to get x?

Answer 3

add

Answer 4

You can do the same by looking at both right sides.
In equation 1, the right side is 14.
In equation 2, the right side is 20.
What do you do to 14 to get 20?

Answer 5

so its A.

Answer 6

Correct. Add what?

Answer 7

6

Answer 8

Exactly. 6 was added to both sides.
The addition property of equality states that you can add the same thing to both sides of an equation. In this case, 6 was added to both sides. The answer is A.

Answer 9

Good job!

Answer 10

thx :P