Question

Help with properties. If n + 4 = 8 + 4 then n = 8

Is this given or substitution or other?

Answer 1

Hello!

Answer 2

Is your question of how they got n=8?

Answer 3

n + 4= 8 + 4
-4 -4
n = 8

Answer 4

I'm confused as to what property this is?

Answer 5

Remember that what you do to one side you can do to the other :)

Answer 6

I'm not sure what property it is...

Answer 7

Or the name of the property.

Answer 8

I'm not sure If it's given or if it's substitution

Answer 9

Well if the problem has this, it is given. You can solve it by substitution or by doing what I did shown above.

Answer 10

ok thanks

Answer 11

i think its most likely given because they give you that n = 8. all you had to do was plug it in the equation :)

Answer 12

Given: n + 4 = 8 + 4
Prove: n = 8

Statements Reasons
n + 4 = 8 + 4 Given
n = 8 Subtraction property of equality

To go from n + 4 = 8 + 4 to n = 8, you subtract 4 from both sides of the equation. You can do that because of the subtraction property of equality.