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Questions and Answers
What is the solution to the equation $2x + 5 = 17$?
What is the solution to the equation $2x + 5 = 17$?
- $x = 7$
- $x = 10$ (correct)
- $x = 12$
- $x = 6$
Which inequality represents the situation where a number is greater than 4?
Which inequality represents the situation where a number is greater than 4?
- $x > 4$ (correct)
- $x < 4$
- $x eq 4$
- $x = 4$
What is the solution to the inequality $3x - 8 > 13$?
What is the solution to the inequality $3x - 8 > 13$?
- $x < 5$
- $x < 7$
- $x > 5$
- $x > 7$ (correct)
Which equation represents the situation where a number multiplied by 3 is equal to 24?
Which equation represents the situation where a number multiplied by 3 is equal to 24?
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Study Notes
Solving Equations and Inequalities
- To solve the equation $2x + 5 = 17$, subtract 5 from both sides and then divide both sides by 2, resulting in $x = 6$.
- The inequality representing the situation where a number is greater than 4 is $x > 4$.
- To solve the inequality $3x - 8 > 13$, add 8 to both sides and then divide both sides by 3, resulting in $x > 7$.
- The equation representing the situation where a number multiplied by 3 is equal to 24 is $3x = 24$, which can be solved by dividing both sides by 3, resulting in $x = 8$.
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