Use Substitution to Solve One-Step Equations

x + 5.6 = 11.6

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4.2 + z = 11.2

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b - 9.7 = 13.3

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d - 8.4 = 8.6

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4.5x = 18

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2.25c = 27

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 $d\div5.5=4$  

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 $36.3÷y=12.1$  

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Brinley is making headbands for her friends. Each headband needs  $16\frac{1}{2}$ inches of elastic and she has 132 inches of elastic. Use the guess, check, and revise strategy to solve the equation 

 $16\frac{1}{2}\ h=132$  to find h, the number of headbands Brinley can make. 

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Maddox has $12.25 to spend on sports drinks. Each drink costs $1.75. Use the guess, check, and revise strategy to solve the equation 1.75d = $12.25 to find d, the number of drinks Maddox can buy.

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