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Bell Work - PowerPoint PPT Presentation
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Bell Work. X = 6 X = 70 X = 10 X = -6. X - 7 = -1 X - 4 = 66 8 = X - 2 -8 = X - 2. Modeling the equation using a bar diagram. 253 Competitors. Use the model to write and solve an equation. X + 134 = 253 or 134 + x = 253. X = 119 boys. Use the model to write and solve an equation.
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A used book costs $17 less than the same book new. The used book costs $9. Use a bar diagram to write and solve an equation to find out how much the new book cost.
?
X – 9 = 17
New book
Used book
X = $26 for a new book
9
17
Use a bar diagram to write and solve an equation to find out how many hits he got in the second game. .
X – 1 = 5
X = 4 hits in the second game
