#2 step equations

Algebra – Solve and check examples of 2 step equations

2 Step Equations

In the following tutorial the students will learn how to solve examples of 2 step equations.  The students will also learn to complete the check for each equation.  The students will use order of operations and integer operations to solve these equations.

Virginia Standards of Learning (SOL)

SOL 7.14

The student will

a) solve one- and two-step linear equations in one variable; and

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Two step equations

In order to solve two step equations you reverse the order of operations. Therfore PEMDAS becomes SADMEP

This video covers how to solve two step equations, Video Guide  Simple two step equation is worked out.  18x - 14 = -14  Sample problem involving a two step equation with parentheses is solved with step by step directions 4(n+10) = -4 Two step equation involving a fraction is solved with directions. -8 = x/40 -10

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2 Step equations

Two Step Equations

Video Guide :10 Sample problem involving a two step equation 5x-3 = -23  

:33 Rules for solving a two step equation:  

:41 Order of operations explained PE MD AS  

1:00 How to work reverse PE MD AS  which is written as AS MD  EP  in order to solve a 2 step equation  

1:11 Tips on solving a 2 step equation  

1:34 Step by step directions for solving a two step equation