SOLUTION: I'm finding it difficult to work out why the following question has the answer of -17/2, could someone help please? Here is the question and my working so far: 9 - 2x = -8 -

Algebra ->  Equations -> SOLUTION: I'm finding it difficult to work out why the following question has the answer of -17/2, could someone help please? Here is the question and my working so far: 9 - 2x = -8 -       Log On


   



Question 1106735: I'm finding it difficult to work out why the following question has the answer of -17/2, could someone help please?
Here is the question and my working so far:
9 - 2x = -8 - 4x (the question)
My attempt:
9 - 2x = -8 - 4x
9 - 2x +8 = -8 +8 -4
17 - 2x = - 4x
17 -2x + 2x = -4x + 2x
17 = -2x
-2x/-2x = 17/2.

I understand that my answer is incorrect and that the correct answer is -17/2, but I'm having trouble working out why this is?

Would someone be able to help?

With regards
Diannia Scantlebury



Found 3 solutions by ankor@dixie-net.com, dkppathak, Alan3354:
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
9 - 2x = -8 - 4x
4x - 2x = -8 - 9
2x = -17
x = -17%2F2

Answer by dkppathak(439) About Me  (Show Source):
You can put this solution on YOUR website!
I'm finding it difficult to work out why the following question has the answer of -17/2, could someone help, please?
Here is the question and my working so far:
9 - 2x = -8 - 4x (the question)
My attempt:
9 - 2x = -8 - 4x
9 - 2x +8 = -8 +8 -4
17 - 2x = - 4x
17 -2x + 2x = -4x + 2x
17 = -2x
-2x/-2x = 17/2. this step is wrong pl solve as given below
solution
9-2x=-8-4x by keepin all number one side and vriable one side
9+8=-4x+2x
17=-2x
-17/2=x

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I'm finding it difficult to work out why the following question has the answer of -17/2, could someone help please?
Here is the question and my working so far:
9 - 2x = -8 - 4x (the question)
My attempt:
9 - 2x = -8 - 4x
9 - 2x +8 = -8 +8 -4
17 - 2x = - 4x
17 -2x + 2x = -4x + 2x
17 = -2x
----------------
OK to this point.
-2x = 17
Divide by -2
x = 17/(-2)
x = -17/2
================
-2x/-2x = 17/2. --- this makes no sense. -2x/-2x = 1
==========
I understand that my answer is incorrect and that the correct answer is -17/2, but I'm having trouble working out why this is?
Would someone be able to help?
---
PS I deleted your name. Posting your full name is not a good idea.