Question

Simplify, showing your steps. Tell the property you used in each step.
2(a + 4) + -8
Simplify, showing your steps. Tell the property you used in each step.
2(a + 4) + -8 @Algebra

Answer 1

what class in school are you in?

Answer 2

just so I know what type of level you are in

Answer 3

Algebra 1

Answer 4

ok

Answer 5

so do you know about the distributive property?

Answer 6

ex 2(3+1)

Answer 7

Yes

Answer 8

ok, so use that for the 2(a+4) part

Answer 9

when you multiply a variable times a number, ex 3(h), you just get 3h.

Answer 10

so 2 (a+4) would be 8a?

Answer 11

no

Answer 12

because two times a gives you ___ and two times 4 gives you ____ when you add a number with a variable, you can't add it with a number without one. You add like terms together.

Answer 13

two times a gives you 2a and two times 4 gives you 8. So 10a? sorry im not good with math

Answer 14

No, because you can't add two unlike terms. (4, 8, 8xy, and 3a are terms any number/variable is called a term)

Answer 15

2a is a term.
4 is a term.
You can't add them together because 2a has a variable in it.
4 does not.

Answer 16

So do I multiply them?

Answer 17

no, you leave them the same

Answer 18

Now, the question is 2a + 8 + -8.

Answer 19

so would the next step be to add 8 + -8?