Question

Solve the following equation, explaining what you did in each step of your solution. After solving the equation, show the steps to check your solution.

3 x + 2(4 + 6 x ) = 113

Answer 1

I found the answer but when I plugged it in, it wasn't right.

Answer 2

Hm, expand 2(4+6x). What do you get?

Answer 3

I get 2(4) + 2(6x)

Answer 4

Which then equals?

Answer 5

8 + 12x?

Answer 6

Okay now replace 2(4+6x) with that an show me the entire equation.

Answer 7

3x + 8 + 12x.

Answer 8

= 113 right? So you now have.

Answer 9

3x + 8 + 12x = 113. What do you do next?

Answer 10

15x + 8 = 113?

Answer 11

Okay, then what?

Answer 12

We have to subtract 8 on both sides.

Answer 13

Mhm, so what's the equation now??

Answer 14

15x = 105.

Answer 15

Mhm, so what does x =?

Answer 16

7. But the thing is I plugged it in to the original equation and I ended up with a random number that's bigger than 113.

Answer 17

Hm. Let's see. 3(7) + 2[4+6(7)] = 113.
21 + 2(4+42) = 113.
21 + 2(46) = 113.
21 + 92 = 113.
113 = 113.

Answer 18

Seems alright to me. C:

Answer 19

If you don't know what I did then this is what I did. 3(7) + 2(4) + 2(6*7) = 113
21 + 8 + 84 = 113 which is not 113.

Answer 20

Lol 21 + 8 +84 does equal 113.

Answer 21

8+84 = 92. 92 + 21 = 113.

Answer 22

Okay I'm confused now.

Answer 23

Lol 7 is the answer haha.

Answer 24

Ugh! Thank You anyway. But why does math have to be so CONFUSING! Sorry but this is why I don't like math.

Answer 25

Np.

Answer 26

So thank you millions of times for undoing the confusion.

Answer 27

Do you also do English?

Answer 28

Yep.

Answer 29

Oh. Great! Can you help me in that too? But since I'm kind of good a t math, I'll need help but not as much as math.

Answer 30

Just tag me in the question.