All Answers 358117 Answers

Why not? He is a brat -- a rude brat!

Don't call him that!

Why should anyone help a brat like you?

Ok, good night! :)

You need to provide the link to your one MG - they should have all been on the same thread in the first place.

I remember seeing your one - it was correct.  We will do more. :)

I understand your method and you'd have to think when to add numbers randomnly.

I don't know how i got mines wrong it's not the same as your method but i got 4 in the end and the method got me there...?

I can't comment unless I see it MG.  

Please put the output and the code in the same post - Like I did in my last post :)

I've done it on the same post (first comment).   What same post are you talking about MG ?

\begin{array}{rrlll}
33-2x&=&5-9x\qquad&(- 5)\\
28-2x&=&-9x\qquad&(+9x)\\
28+7x&=&0\qquad&(which\;means)\\
28&=&7x\qquad&(28\div7=4)\\
x&=&4\\
\end{array}

$$\begin{array}{rrlll}
33-2x&=&5-9x\qquad&(- 5)\\
28-2x&=&-9x\qquad&(+9x)\\
28+7x&=&0\qquad&(which\;means)\\
28&=&7x\qquad&(28\div7=4)\\
x&=&4\\
\end{array}$$

NO MG It is still not right :/

I shall do it for you

$$\begin{array}{rlll}
33-2x&=&5-9x\qquad&\\
33-5-2x&=&5-5-9x\qquad&$(- 5 on both sides)$\\
28-2x&=&-9x\qquad\\
28-2x+9x&=&-9x+9x\qquad&$(+9x on both sides)$\\
28+7x&=&0\qquad&\\
28+7x-7x&=&0-7x\qquad&$-7x from both sides$\\
28&=&7x\qquad&\\
28&=&7x\qquad&$Divide both sides by 7$\\
\frac{28}{7}&=&\frac{7x}{7}\\
4&=&x\\
x&=&4\\

\end{array}$$

NOW when you added 9x to both sides (and I did the same as you)

 it would have been better to add 2x to both sides because then all the xes would have been on the same side from that point. 

I am sorry MG.  I have made this more dificult than necessary for you.

I should have started out with easier ones and explained it better. :(

At every step you need to think "What do I want to get rid of'  That is the real trick here!

14.5% of 215=31.175

$${\sqrt{{\mathtt{7}}}} = {\mathtt{2.645\: \!751\: \!311\: \!064\: \!590\: \!6}}$$

Ok, I'll do that but how does it turn from a positive to a negative number?

(Answer then is also -4)

circumference is pi*diameter and area is pi*(diameter/2)² so

area = pi*(circumference/2pi)²  or area = (circumference/2)²*1/pi

area = (66/2)²*7/22

$${\mathtt{area}} = {\frac{{\left({\frac{{\mathtt{66}}}{{\mathtt{2}}}}\right)}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{\mathtt{7}}}{{\mathtt{22}}}} \Rightarrow {\mathtt{area}} = {\mathtt{346.5}}$$ 

  area = 346.5ft²

.

97531 X 86420 = 8,428,629,020

Where are you typing it?  And did I understand your question correctly?

.

Thx But It Didn't Work!

Type in 1/4

.

HELLLLLLLLLLLLLP PLSSSSSSSS

I mean the fourth line of your first solution should look the same as the third line of your second solution.

.

Huh I'm not sure whether you mean negative 7x as its placed there or the operation sign minus?

It needs a further edit MG!  28 + 7x means 28 = minus 7x 

.

So when you do that. I've been staring at the code for a long time now but I GET IT :D. 

You add rrlll instead of rrl and after qquad (before the brackets) you add an ampersand. 

I've done it on the same post (first comment).

\begin{array}{rrlll}
33-2x&=&5-9x\qquad&(- 5)\\
28-2x&=&-9x\qquad&(+9x)\\
28+7x&=&0\qquad&(which\;means)\\
28&=&7x\qquad&(28\div7=4)\\
x&=&4\\
\end{array}