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Maths (Algebra Rev)

Maths (Algebra Rev)

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Learn how to be better at ALGEBRA :P

Algebra is easy!

All you have to do is find the value of the variable (ex. a or b)

Ex.

y-5=10

Move the five over to the other side.

y=10+5

When a negative number switches side, it becomes a positive.

 

 

Rearrange the following

if there is a question like:

x+y=13

Don' go like ' ohno there are two variables! Im DOOOOOOMMMMMEEED!'

relax

first, your objective is to make y the subject:

y=13-x  (X is brought to the other side, so it becomes a negative)

There! Done!

Your equation is 'y=13-x'

Now you can plot your graph:

Say if:

x=1, y=12

x=2, y=11

etc..

 

If a positive number switches side, it becomes a negative.

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