,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Solving Linear Equations,BY,Nathaniel Jefferson,EARU,Solving Linear Equation,Solve for the unknown variable by using the inverse operations,1.Identify THE BASIC INVERSE STEP,Basic operation,+addition,-subtraction,3x multiplication,X/5 division,Inverse Operations,Subtraction -,Addition +,Division?/3,Multiply 5(),2.Given 2x+5=45,find x,2x multiplication,+5 addition,Divide by 2,SUBTRACT -5,3.Find the basic operation and use the inverse operation on both sides of the equation.,2x+5-5=45-5,2X =40,2X/2 =40/2,X =20,Subtract 5,Divide by 2,X=the solution,X=20,To Check by substitution,2()+5=45,2(20)+5=45,40 +5=45,45 =45,(the solution for x ),X =20,2(20)=40,45 =45,Quick Review,To solve:,Identify the basic operation,+addition,-subtraction,?()MULTIPLICATION,?/division,To solve:,You must use the inverse operation,-subtraction,+addition,division,multiplication,Find the value for x in the following:Solve and check,1.7m-2=54 m=,2.2=6a-10 a=,3.C/2+3=7 c=,4.I/3 p+8=11 p=,5.21=2t+3 t=,6.W/4 7=3 w=,