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April 23, 2014

April 23, 2014

Posted by **Marian** on Wednesday, February 9, 2011 at 10:27am.

x-2= 4x+7/6 (the whole part 4x+7 is over the 6)

I'm getting -6 !!

- Maths -
**Reiny**, Wednesday, February 9, 2011 at 10:55amwrite it this way

x-2= (4x+7)/6

multiply both sides by 6

6x-12 = 4x+7

2x = 19

x = 19/2 or 9.5

- Maths -
**Marian**, Wednesday, February 9, 2011 at 11:22amThanks for that. hopefully I'll get a better grasp of equations soon!!

- Maths -
**Mykmoloko**, Wednesday, February 9, 2011 at 11:24amyour answer is x=19/2 becouse 6 is only your LCD number. Then to solve this equation you put 6(x-2)=6(4x+7)/6. the part of 6(4x+7) is over 6. then on your lelf handside you divide 6 by 6. Then you gona lelf with 6(x-2)=(4x+7). When you multiply on your right handside you will have 6x-12=4x+7 i thnk is easy now to find your answer.

- Maths -
**Marian**, Wednesday, February 9, 2011 at 11:32amThanks. The final answer is 8 (if I'm right) but that means its not a fraction. so do I have to do something else or am I that bad at maths that I'm wrong again!!

- Maths -
**Reiny**, Wednesday, February 9, 2011 at 12:17pmMarian, the final answer is not 8, it is 19/2 or 9.5

Proof:

let x=8,

LS = 8-2 = 6

RS = (4(8)+7)/6 = 39/6

so LS ≠ RS if x=8

if x= 9.5

LS = 9.5 -2 = 7.5

RS = (4(9.5)+7)/6 = 45/6 = 7.5

LS = RS if x=9.5

- Maths -
**Marian**, Wednesday, February 9, 2011 at 4:39pmThanks that helps me a lot!

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