Question

7+2x=4x-3

Answer 1

Any ideas?

Answer 2

OpenStudy values the Learning process - not the ‘Give you an answer’ process
Don’t post only answers - guide the asker to a solution.

Answer 3

I'm trying to help my niece I need to explain but I completely forgot hot to do this :P

Answer 4

7+2x=4x-3
+3 +3
10+2x=4x
-2x= -2x
10=2x
2 2
x=5
is that right?

Answer 5

Do we subtract 7s

Answer 6

im stupid thats wrong I think

Answer 7

Can u explain it ?

Answer 8

Well sure, I can explain. Do you know PEMDAS?

Answer 9

You are using the idea of "balance"

Answer 10

Order of operations.

Answer 11

Well yeah, balance what you do to one side you do to the other..

Answer 12

Charro you need to try and isolate the variable

Answer 13

to do this add 3 to both sides

Answer 14

subtract 2x from both sides because you only want the X on one side.

Answer 15

@AcidRa1n Why don't you let @charro ask questions?

Answer 16

Sorry I was trying to explain it to him. He asked if I could explain it

Answer 17

I'm kinda excited because it's something I actually know how to do >.< :P

Answer 18

skull can you help me on my question?

Answer 19

@acid thanks..I'm trying to refresh my memory. I don't want to look like the dorky aunt lol

Answer 20

let @charro finish...any questions?

Answer 21

Well she subtracted and somehowgot the same answer acid did

Answer 22

yes you can go either way. In PEMDAS you could sometimes subtract before you add. it still works out

Answer 23

Ok cool

Answer 24

Thanks

Answer 25

For sure

Answer 26

yeah! lol thanks

Answer 27

I'm new to this..how can I get a hold of you again

Answer 28

put your mouse over my name and fan me

Answer 29

then you can either use @acidra1n in a question or send me a private message

Answer 30

Cool thanks again