Kick Your Way through Linear Equations , Literal Equations, and Equations For a Line!
 

                    
                                    HOW TO SOLVE LINEAR EQUATIONS

AN EXAMPLE PROBLEM THAT YOU'RE    PROBABLY CLUELESS ABOUT	INSTRUCTIONS THAT WILL CURE YOUR CONFUSION
5x-3= 9	Make it your #1 duty to ISOLATE THE VARIABLE! Do This by Adding 3 to both sides of the equation
5x =12	Now you've gotten rid of that nasty 3.
x =12/5	To Find the value of X, divide 12 by 5.
x =2.4	You have now solved for X!
Example 2:  7x + 7 = 2(x + 1)	OH NO!! A VARIABLE ON BOTH SIDES!!
7x + 7 = 2x + 1	Use your ORDER OF OPERATIONS (Please Excuse My Dear Aunt Sally) (Parenthesis Exponents Multiply Divide Add Subtract) To rid the x from the parenthesis..
7x = 2x + -6	Subtract 7 from each side since 7 was added on the original side.
5x = -6	Subtract 2x from each side since 2x was added on the original side.
-6/5 = x	To solve for x, divide -6 by 5
x = -1.2	You have now solved for X!

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