# Lesson Worksheet: Two-Step Equations Mathematics • 7th Grade

In this worksheet, we will practice solving two-step equations.

**Q6: **

Find the solution set of the equation in .

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**Q7: **

If , what is the value of ?

**Q9: **

Answer the following questions using the given diagram.

Form an equation that will allow you to calculate .

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Find the value of .

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**Q11: **

Jackson has a collection of 51 stamps. When he was moving, he put the same number of stamps in each of the first 8 albums and 3 stamps in the last album. Find the number of stamps in each of the first 8 folders by solving the equation , where is the number of stamps.

**Q12: **

Daniel has 34 marbles. He has the same number of red, yellow, and blue marbles, as well as 7 multicolored marbles. Determine the number of yellow marbles, , he has by solving for .

**Q13: **

Solve .

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**Q14: **

Find the solution set of in .

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**Q15: **

Write an equation to describe the following: nine more than the quotient of a number with 6 is 32.

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**Q16: **

In the given diagram, is a straight line. Answer the following questions.

Form an equation that will allow you to calculate .

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Find the value of .

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**Q17: **

The pool of a gym is regularly cleaned. A cleaning session lasts for 35 minutes on weekdays and 45 minutes on weekends. The time it took to clean the pool last week was 5 hours altogether. Given that it was cleaned twice on the weekend, write an equation to represent this information, and then solve it to determine how many weekday cleaning sessions there were.

- A, 11 sessions
- B, 6 sessions
- C, 8 sessions
- D, 5 sessions
- E, 2 sessions

**Q24: **

Elizabeth wants to solve the equation . She wants first to simplify the expression in the brackets, but her friend Olivia says she should expand the expression first. Which way is right?

- Aboth but Elizabethβs way is shorter
- Bneither
- Conly Elizabethβs
- Dboth but Oliviaβs way is shorter
- Eonly Oliviaβs

**Q25: **

Solve .

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