Question

Which equation matches the sentence?
Column A Column B
1.
Seven more than 2 times a number is 23.
2.
The difference of 2 times a number and 7 is 23.
3.
The sum of 7 times a number and 2 is 23.
4.
Seven less than 2 times a number is 23.
A.
7n + 2 = 23
B.
2n – 7 = 23
C.
2n + 7 = 23

Answer 1

collom b is at the bottom

Answer 2

Let's start with 1. What does "7 more" look like?

Answer 3

+

Answer 4

Right, so which one has 7+...?

Answer 5

c

Answer 6

Great! And is that consistent with the rest of the statement?

Answer 7

yes

Answer 8

Sweet. :-) So, how about 2, what does "the difference of 2 times a number and 7" look like?

Answer 9

b

Answer 10

Awesome!

Answer 11

Make sense?

Answer 12

yes are u a qualified helper

Answer 13

Not yet.

Answer 14

u should be one ur very helpful

Answer 15

Thanks! I'm looking into it. But it sounds like I have to commit to 2+ hours a day, 7 days a week and I can't commit to that.

Answer 16

omg me either

Answer 17

thats insane

Answer 18

Yeah...

Answer 19

btw 3 is a right

Answer 20

Yep :-)

Answer 21

thx

Answer 22

No worries. Good job!