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Simple Algebraic Equations / How to Solve and Deal with Some Problems

Updated on September 23, 2012

When X replaced´╗┐ the unknown variable...

Let's say we need to solve an equation with one variable, teachers usually call it "X", remember in the movies, how people who didn't know how to sign his/her John Hancock, they just crossed out and sign with at least three X's? Well here is how I came out myself with that short story...let's immerse ourselves in a small example. (Poor Alfred in this pic to my right...>>>)

Let's start with our first equation:

2X+3= 13

Rule number one: the sign ' = ' is there like a Bouncer who will watch who is who and where they are

So far 2x is a positive dude, PLUS NUMBER 3. On the other room is number 13. Now the Bouncer or gate keeper, will punish any of them if they pass to the other room. The punishment will result in changing its positive value to negative, if they move from room to room.

In the same manner whoever already has a negative a '-6' will change to '+6' if this boy/number switch guys follow me? Shh!, waiting for the less smart to catch up with us...easy please! Silence!!! Hey Anthony, stop throwing pieces of your eraser to Sarah!!


We isolate as much as possible our X to the left side. You ask why? common sense, and nature...just follow me. Stop interrupting me Peter!

2x=13-3 (number 3 got punished for going to the left room, so it's changed to -3)


Second rule, whatever number is holding the X against his will, in this case 2x, will be punished worst than before, will go to the next room but, this time will be crushed by the number to the right this case number 10. Which in other words, your teacher will tell you that any multiplying number will become a divisor when is transferred to the other side of the '=' sign.


so we divide 10 over 2 and the answer is? ..Hey Amanda? stop sucking that thumb!

"Sorry, Mr Cross, I think is five?"

Are you asking me? or answering Amanda?

" Well, I just...I don't know much math, I moved from Eastern Europe, and my English is still kinda average?"



Don't forget to double check your answer, inserting x=5 in the original equation


So this Bouncer was right! 13=13...! He was hired to keep both places as equal.

See you next time class!

As soon as Lord finishes, a little fly lands on his cheek...Amanda comes over and slaps on his face..." smack!"


5X- 3=37

The answer is?, x=?


5x=40 x=40/5 X=8´╗┐

A visual aid from


Submit a Comment

  • Lord De Cross profile image

    Joseph De Cross 6 years ago

    YOU ARE WELCOME LILITH, thanks for commenting on my math tutorials and Good luck


  • Lilith Eden profile image

    Lilith Eden 6 years ago from Memphis, TN

    Lord de cross:

    So, I have just discovered your excellent series in mathematics. I am preparing on taking my graduate school entrance exams, and believe that these hubs will perhaps make the task a bit more bearable. Thank you!!


  • Terishere profile image

    Terishere 6 years ago

    Wow, very easy to understand. You layed it out well! Thank goodness my kids are done with schooling :)

  • Lord De Cross profile image

    Joseph De Cross 6 years ago

    Hahahaha. Just pass the word Kitty. Hey Mister Bouncer we are being hired! Lol!

  • kittythedreamer profile image

    Nicole Canfield 6 years ago from the Ether

    Where were you and this hub when I was struggling with algebra in school? Geez...this hub would've been REALLY useful to me then! Voted up and useful. I hope high schoolers find your hub and are able to use it in order to simplify their algebra studies. Great job!