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TT or across, teach me some algebra!!!

Mathematics
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who is TT ?
TuringTest
what is x in this equation? 6+x=2

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Other answers:

-4
good job that was basic
I have been studying basic algebra.
x^2*x^3
x^5
x+y=6 x-y=7 can you find the x and y?
(x^3)^2
x=7+y
Anikate, he meant me.
FFM give me another one
oh ok...
\( a+b=9 \) \( a-b=11 \) what is \( a \) and what is \(b\) ?
a=10 b=-1 or a=9-b b=9-a
Okay .. do you understand the difference between variable and constant?
variable is something you put instead of a number, right?
More importantly, do you understand what in earth an equation means?
Excuse me?
Precisely, variable is something that varies, so yes you are right :)
Were you just calling me stupid?
No,lol :D you misunderstand my tone :) So what is an equation ?
Its a line that states values of variables, i guess
Hm. Let me explain.
A equation has two parts, right hand side and left hand side.
I know that
Anything right of the '=' sign is right hand side
I know, if you do something to the LHS you have to do the same to the RHS
yadda yadda, i know all that.
Good :D
Hey, that's not the right attitude towards mathematics :)
anyways back to the problem our hand: a+b=9 a−b=11
Yeah.
we want to find a and b in terms of constants only.
So whats a constant?
How could we do that ?
constant is something which value is fixed.
Ok, so we can subtract a from both sides to get b on the top one, right?
Why don't we add the equations? like this \[ a+b+a-b=9+11\]
Oh you want me to use both equations?
Well we can simplify that to a2=20, right?
Cause the b's cancel eachother out
yes.
And for a we can just divide both sides by 2 getting x=10
a=10*
Good, now what about b ?
a+b+a−b=9+11 a2 +b=20+b Am i doing alright so far?
no, you need to subtract this time
Subtract what exactly?
a+b-a+b=9-11
Is is (a+b)-(a+b) or without parenthesis?
second equation from the first.
Oh i see, this si the second one?
(a+b)-(a-b) without parentheses
a+b-a+b=9-11 2b=9-11 2b=-2 b=-1
See? I can do this!
Very good :)
:D
Gimme something harder!
If ax - a = x - 1 what is x equal to?
Divide both sides by x, right so far?
No wait, ax - a = x - 1 ax=x-1+a x=x-1 Im stumped
First, bring all the x terms to one side, and everything else to the other.
Im sorry, i havent studied factoring yet :/
Ok. Here's the solution ax - a = x - 1 ax - x - a = -1 ax - x = a - 1 x(a - 1) = a - 1 hence x = 1
Ok, youll have to give me another one tommorrow so i can try :D

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