1/2x + 8 = 22

1/2x + 8 = 22
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Storyboard Description

for school

Storyboard Text

  • Hello class! Today we will learning about algabretic expressions!
  • 1/2x + 8 = 22
  • In order to find the solution we need to isolate the variable. So we first need to get rid of the 8 and to do that we need to use the inverse operation as shown on the board.
  • 1/2x + 8 = 22
  • - 8
  • - 8
  • Now we solve!
  • 1/2x + 8 = 22
  • 1/2x =
  • - 8
  • - 8
  • 14
  • Now we have to isolate the variable one last time. so to do this we have to multiply by the reciprocal to get rid of the 1/2. As shown on the board.
  • 2/1 • 1/2x
  • 1/2x + 8 = 22
  • 1/2x =
  • - 8
  • - 8
  • 2/1 • 14
  • 14
  • Now we solve!
  • 2/1 • 1/2x
  • 1/2x + 8 = 22
  • 1/2x =
  • - 8
  • x =
  • 2/1 • 14
  • 28
  • - 8
  • 14
  • Good job!
  • + 8 = 22
  • - 8
  • - 8
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