Section 3.2 Solving Equations Using Multiplication & Division Mr. Beltz & Mr. Sparks

Goal:  Solve linear equations using multiplication and division.  Remember, Multiplication and Division are Inverse Properties.

Same steps: ***Change Subtraction to Addition, take the Opposite of the next number.*** 1 st Draw a line underneath the equal sign. 2 nd Circle the variable (remember the sign to the left stays with the variable) 3 rd Do the Inverse Operation

3x = X = 3 ***Change Subtraction to Addition, take the Opposite of the next number.*** 1 st Draw a line underneath the equal sign. 2 nd Circle the variable (remember the sign to the left stays with the variable) 3 rd Do the Inverse Operation MULTIPLICATION

Independent Practice 60 = 5x -3x = -9 -4x = 1

Solutions 60 = 5x X = 12 -3x = -9X = 3 -4x = 1 X = -1 4

X = *X 10 * 2 2 X = 20 ***Change Subtraction to Addition, take the Opposite of the next number.*** 1 st Draw a line underneath the equal sign. 2 nd Circle the variable (remember the sign to the left stays with the variable) 3 rd Do the Inverse Operation DIVISION

Independent Practice X = 11 3 X = = X 7

Solutions: X = 11X = 33 3 X = -2X = = XX = 49 7

Practice Pg. 141 #6 -14