Lesson 19: Solving One-Step Equations by Adding or Subtracting — Practice Questions

1. 1. Solve for the variable a: $a + \frac{1}{4} = \frac{7}{8}$. The value of $a$ is ___.

2. 2. What is the solution to the equation $k - \frac{2}{5} = \frac{1}{2}$?

   • A. $\frac{9}{10}$
   • B. $\frac{3}{7}$
   • C. $\frac{1}{3}$
   • D. $\frac{-1}{10}$

3. 3. Find the value of $z$ that makes the equation true: $z - \frac{2}{3} = \frac{1}{9}$. The value of $z$ is ___.

4. 4. Solve for $n$ in the equation $n + \frac{1}{2} = \frac{5}{6}$.

   • A. $\frac{1}{3}$
   • B. $\frac{2}{6}$
   • C. $\frac{8}{6}$
   • D. $1$

5. 5. Solve the equation $x + \frac{3}{10} = \frac{9}{10}$. Write your answer as a simplified fraction. $x = $ ___.

6. 6. Use the Subtraction Property of Equality to solve for the variable in the equation $x + 9 = 17$. What is the value of $x$? $x$ = ___

7. 7. To solve the equation $14 + y = 5$, what is the correct first step?

   • A. Add 14 to both sides.
   • B. Subtract 14 from both sides.
   • C. Add 5 to both sides.
   • D. Subtract 5 from both sides.

8. 8. Solve for the variable in the equation $b + 15 = 6$. $b$ = ___

9. 9. What is the solution to the equation $-12 = x + 5$? $x$ = ___

10. 10. Is $m = -4$ a correct solution for the equation $m + 10 = 6$?

    • A. Yes
    • B. No