Solving Two Step Equations & Inequalities
Set up the following slide on your paper or dry-erase board.
Solve: ______________ Equation: + or – New Equation: X or ÷ Solution: = = = = =
Solve: 3x + 6 = 12 Equation: + or – New Equation: X or ÷ Solution: 3x + 6 = = -6 3x = 6 __ 3 = 3 x = 2
Solve: –x – 5 = –20 Equation: + or – New Equation: X or ÷ Solution: – x – 5 = – = +5 – 1x = – 15 __ – 1 = – 1 x = 15
Solve: – + 4 = –7 Equation: + or – New Equation: X or ÷ Solution: – 4 = – 4 ( – 10) x = 110 – + 4 = – 7 – = – 11
Solve: – + 33 = 39 Equation: + or – New Equation: X or ÷ Solution: – 33 = – 33 x = – 15 – + 33 = 39 – = 6 ( – ) x =
Fill in the blanks with the missing inequality < 47 __ > 113 __ < -2 8 __ > __
Graph the following inequalities All numbers greater than –4 All numbers greater than or equal to –4
Switch the direction of the inequality when dividing by a negative number. 12
13
14
Exit Quiz! Take out a sheet of paper. Copy and Solve the following questions. 1) 2) 3) 4) 10 = 6 x + 34