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Solving Equations Algebraically

Solving Equations Algebraically. A verbal model explains the steps needed to solve the equation. In your mind you should always think the verbal model. FBS = from both sides. Example #1: 5x + 8 = 8x + 2. -5x -5x 8 = 3x + 2 -2 -2 6 = 3x 3 3 2 = x.

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Solving Equations Algebraically

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  1. Solving Equations Algebraically A verbal model explains the steps needed to solve the equation. In your mind you should always think the verbal model. FBS = from both sides

  2. Example #1: 5x + 8 = 8x + 2 -5x -5x 8 = 3x + 2 -2 -2 6 = 3x 3 3 2 = x Verbal Model: 1. Take 5x FBS 2. Take 2 FBS 3. Split into 3 groups

  3. Example #2: 10x + 2 = 6x + 14 -6x-6x 4x + 2= + 14 -2 -2 4x= 12 4 4 x = 3 Verbal Model: 1. Take 6x FBS 2. Take 2 FBS 3. Split into 4 groups

  4. Example #3: 2(5x + 3) = 6(x + 3) 10x + 6 = 6x + 18 -6x-6x 4x + 6= + 18 -6 -6 4x= 12 4 4 x = 3 Verbal Model: 1. Distribute 2. Take 6x FBS 3. Take 6 FBS 4. Split into 4 groups

  5. Example #4: • 4(2x + 4) = 2(5x + 3) 8x + 16 = 10x + 6 -8x -8x 16 = 2x + 6 -6 -6 10= 2x 2 2 5 = x Verbal Model: 1. Distribute 2. Take 8x FBS 3. Take 6 FBS 4. Split into 2 groups

  6. Example #5: 2(3x + 4) = 4(x + 4) 6x + 8 = 4x + 16 -4x -4x 2x +8= + 16 -8 -8 2x= 8 2 2 x = 4 Verbal Model: 1. Distribute 2. Take 4x FBS 3. Take 8 FBS 4. Split into 2 groups

  7. Example #6: 5(x + 3) + 3(2x + 1) = 8(x + 2) + 8 5x + 15 + 6x + 3 = 8x + 16 + 8 11x + 18 = 8x + 24 -8x -8x 3x + 18 = + 24 -18 -18 3x= 6 3 3 x = 2 Verbal Model: Distribute 2. Combine like terms 3. Take 8x FBS 4. Take 18 FBS 5. Split into 3 groups

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