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Grade 8 McGraw Hill Glencoe - Answer Keys
Chapter 2 - Equations in One Variable; Lesson 2: Solve Two-Step Equations
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Test Practice |
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Question 28
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Use the algebra tiles to model the equation \(3\text{x} + 1 = 7\) on the equation mat below. Then solve the equation.
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Question 29
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Determine if the value of the variable is a solution of each equation. Select yes or no.
a. \(5\text{x} - 4 = 31\), x = 5.4
b. \(\cfrac{3}{4}\text{n} + 4 = 10\), n = 8
c. \(-3 + 4\text{y} = 7\), y = 2.5
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Spiral Review
Solve each equation. Check your solution. |
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Write and solve an equation for each of the following. |
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Question 33
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Solomon is 9 years younger than his brother. His brother is 21. How old is Solomon?
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Question 34
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Kelly spent $45 more on boots than she did on a pair of jeans. She spent $79.50 on the boots. How much did she spend on the jeans?
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Question 35
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The product of two integers is 72. If one integer is 18, what is the other integer?
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(show solution)