Question

What is the solution to the equation?

4(3 + 7) = 4 • x + 4 • 7

A.
x = 3

B.
x = 4

C.
x = 7

D.
x = 10

Answer 1

Distribute 4 into the parenthesis.

Answer 2

4 x 3 = ?
4 x 7 = ? @K12helpplz

Answer 3

12 and 28?

Answer 4

Good.

Answer 5

So that gives us 12 + 28 = 4 • x + 4 • 7
Can you add 12 + 28?

Answer 6

40?

Answer 7

Yup.

Answer 8

40 = 4 x x + 4 x 7
4 x x = 4x
Can you multiply 4 x 7?

Answer 9

that would be 28

Answer 10

Good, so now we have 40 = 4x + 28
Can you subtract 40 - 28?

Answer 11

yes that would be 12 :)

Answer 12

And your last step is to divide 12 by 4.

Answer 13

=3! good job

Answer 14

so my answer would be 3?

Answer 15

Yes!!!

Answer 16

Yay thankyou so much!

Answer 17

Oh, and one more thing. \(\Huge\cal\color{blue}{Welcome\ to\ OpenStudy!\ :D}\)

Answer 18

do you know how i give a medal?

Answer 19

You just gave me one! Haha!

Answer 20

You click the blue button that says "Best Response"

Answer 21

yay haha! thanks ohh ok!

Answer 22

But you can only give 1 medal on a post.

Answer 23

Do you have any more quesitons? @K12helpplz

Answer 24

yeah i posted it :)

Answer 25

I see it.