Section 10.2  Solving Two-Step Equations
Algebraic Equations Multiplication with Subtraction 2x = 10 2x = 10 2 2 x = 5
Algebraic Equations Multiplication with Subtraction x – 4 = 8 +4 +4 x = 12
Algebraic Equations Multiplication with Subtraction x 4 = 10 (4) (4) x = 40
Algebraic Equations Multiplication with Addition x = 6 x = 18/2 = 9 (HINT) Reciprocal 2 3 3 2 3 2
Algebraic Equations Multiplication with Subtraction 2x – 4 = 8 +4 +4 2x = 12 2 2 x = 6
Algebraic Equations Multiplication with Addition 5x + 10 = 80 -10 -10 5x = 70 5 5 x = 14
Algebraic Equations Multiplication with Subtraction -3x – 4 = -82 +4 +4 -3x = -78 -3 -3 x = 26
Algebraic Equations Multiplication with Addition 2/3x + 2 = 8 -2 -2 x = 6 x = 18/2 = 9 (HINT) Reciprocal 2 3 3 2 3 2
Algebraic Equations Division with Addition x/5 + 2 = 8 -2 -2 = 6 x = 30 x 5 (5) (5)
Algebraic Equations Division with Addition = 7 X + 10 = 28 X + 10  4 (4) (4)
Algebraic Equations Division with Addition = 6 X - 13 = 30 x - 13  5 (5) (5)
Algebraic Equations C.L.T. -20 -20 10x = 60 10 4x +6x  + 20 = 80 10x  + 20 = 80 10 x = 6 ( )
12 12 +12 +12 X = 5 7x + 5x - 12 = 48 12x  - 12 = 48 12x = 60 Algebraic Equations Distributive Property
Algebraic Equations C.L.T. -12 -12 5x = 80 5 3x + 2x  + 20 - 8 = 92 5x  + 12 = 92 5 x = 16 ( ) ( )
THE END <ul><li>Homework: </li></ul><ul><li>Page 476 # 14 – 44 Even </li></ul>
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Section 10.2 solving two step equations (math)

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Section 10.2 solving two step equations (math)

  1. 1. Section 10.2 Solving Two-Step Equations
  2. 2. Algebraic Equations Multiplication with Subtraction 2x = 10 2x = 10 2 2 x = 5
  3. 3. Algebraic Equations Multiplication with Subtraction x – 4 = 8 +4 +4 x = 12
  4. 4. Algebraic Equations Multiplication with Subtraction x 4 = 10 (4) (4) x = 40
  5. 5. Algebraic Equations Multiplication with Addition x = 6 x = 18/2 = 9 (HINT) Reciprocal 2 3 3 2 3 2
  6. 6. Algebraic Equations Multiplication with Subtraction 2x – 4 = 8 +4 +4 2x = 12 2 2 x = 6
  7. 7. Algebraic Equations Multiplication with Addition 5x + 10 = 80 -10 -10 5x = 70 5 5 x = 14
  8. 8. Algebraic Equations Multiplication with Subtraction -3x – 4 = -82 +4 +4 -3x = -78 -3 -3 x = 26
  9. 9. Algebraic Equations Multiplication with Addition 2/3x + 2 = 8 -2 -2 x = 6 x = 18/2 = 9 (HINT) Reciprocal 2 3 3 2 3 2
  10. 10. Algebraic Equations Division with Addition x/5 + 2 = 8 -2 -2 = 6 x = 30 x 5 (5) (5)
  11. 11. Algebraic Equations Division with Addition = 7 X + 10 = 28 X + 10 4 (4) (4)
  12. 12. Algebraic Equations Division with Addition = 6 X - 13 = 30 x - 13 5 (5) (5)
  13. 13. Algebraic Equations C.L.T. -20 -20 10x = 60 10 4x +6x + 20 = 80 10x + 20 = 80 10 x = 6 ( )
  14. 14. 12 12 +12 +12 X = 5 7x + 5x - 12 = 48 12x - 12 = 48 12x = 60 Algebraic Equations Distributive Property
  15. 15. Algebraic Equations C.L.T. -12 -12 5x = 80 5 3x + 2x + 20 - 8 = 92 5x + 12 = 92 5 x = 16 ( ) ( )
  16. 16. THE END <ul><li>Homework: </li></ul><ul><li>Page 476 # 14 – 44 Even </li></ul>
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