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Grade 8 McGraw Hill Glencoe - Answer Keys
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Independent Practice
Solve each system of equations algebraically.
Question 1
\(\text{y} = \text{x} + 5\)
\(\text{y} = 6\)
Type below:
Question 2
\(\text{y} = \text{x} + 12\)
\(\text{y} = -18\)
Type below:
Question 3
\(\text{y} = \text{x} - 10\)
\(\text{y} = -12\)
Type below:
Question 4
\(\text{y} = \text{x} + 15\)
\(\text{y} = 2\text{x}\)
Type below:
Question 5
\(\text{y} = 2\text{x} - 3\)
\(\text{x} + \text{y} = 18\)
Type below:
Question 6
\(\text{y} = \cfrac{1}{4}\text{x}\)
\(\text{x} + 4\text{y} = 8\)
Type below:
Question 7
\(\text{y} = \text{x} + 12\)
\(4\text{x} + 2\text{y} = 27\)
Type below:
Question 8
\(10\text{x} + 3\text{y} = 19\)
\(\text{y} = 2\text{x} + 5\)
Type below:
Write and solve a system of equations that represents each situation. Use a bar diagram if needed. Interpret the solution.
Question 9
Elaine bought a total of 15 shirts and pairs of pants. She bought 7 more shirts than pants. How many of each did she buy?
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Question 10
Together, Preston and Horatio have 49 video games. Horatio has 11 more games than Preston. How many games does each person have?
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Question 11
The cost of 8 muffins and 2 quarts of milk is $18. The cost of 3 muffins and 1 quart of milk is $7.50. How much does 1 muffin and 1 quart of milk cost?
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