maths uncertainty. (1 Viewer)

[Pinkled]

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The solution of this equation is?
Thankyou in advanced.

 

[powlmao]

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The solution of this equation is?
Thankyou in advanced.

TImes by 3

9x - 6x - 7 = 6/5
3x = 41/5

x = 2 11/15

 

[Pinkled]

how come when i sub in 41/15, lhs doesnt equal to 2/5?

 

[powlmao]

how come when i sub in 41/15, lhs doesnt equal to 2/5?

Yeah, i just saw that. I made a mistake on the computer. One sec Ill fix it

 

[Timske]

2 7/15

 

[powlmao]

Correct Answer is

x= - 29/15

 

[Timske]

Correct Answer is

x= - 29/15

yeah lol made a mistake

 

[powlmao]

2 7/15

Doesn't work when i sub that in


Works when you sub in -29/15

 

[Pinkled]

can you show the wroking out please?

 

[powlmao]

yeah lol made a mistake

lol same.


Its not easy working from aa computer.

Much easier using pen and paper

 

[Timske]

lol same.


Its not easy working from aa computer.

Much easier using pen and paper

I used pen and paper missed the x on the 45 lol

 

[powlmao]

TImes by 3

9x - (6x - 7) = 6/5
9x - 6x + 7 = 6/5
3x = -29/5
x = -29/15


Miss read a sign, silly me. I can't do that in the real HSC


Just a note, i am writing in inproper fractions just to make it easier. Its easier to read -29/15 than -1 14/15 on a computer

 

[Drongoski]

correct answer(powlmao's) = -29/15.

Neater way;

x (3x5) both sides gives: