Intro to Algebra Systems

Reduce Fractions: 9     1 

                                _  » __

                               18     2

9 divided by 9 equals one and 18 divided by 18 equals 2 so therefore the two fractions are equal.

Inequalities :

< - Less Than, #X<#Y #X must be less than #Y

> - Greater Than #Y>#X #Y must be greater than # Y

Exp.

7<9  7 is less than 9

9>7 9 is greater than 7

Maintaining Order of Operations:

(exponent)power[1], division and multipulcation[2], addition and subtraction[3]

Equations:

Exp.

If X+7=Y, What is the Value of why when X=5?

Simply

Replace X with 5 everytime such that:

5+7=Y, so Y=12