일차방정식 단원 종합

Z.1Write yes or no.

1. 1
   Is $m=14$ a solution of $m-2=12$? 
2. 2
   Is $n=6$ a solution of $n-1=5$? 

Z.2Circle the value of the variable that makes each equation true.

1. 3
   $4n=60$   $14151617$
2. 4
   $y+11=21$   $78910$

Z.3Write an equation for each sentence. Use n for the number.

1. 5
   The quotient of a number and 6 is 18.
2. 6
   A number divided by 3 is 10.

Z.4Solve for the variable.

1. 7
   $m+7=10$
2. 8
   $y-10=9$

Z.5Z.6Solve for the variable. (continued)

1. 9
   $\frac{m}{4}=6$
2. 10
   $\frac{p}{10}=2$
3. 11
   $\frac{m}{7}=7.6$
4. 12
   $0.3m=2.7$

Z.7Solve for the variable. Write each solution in simplest form.

1. 13
   $\frac{x}{9}=\frac{2}{3}$
2. 14
   $\frac{1}{2}n=\frac{5}{2}$

Z.8Z.9Solve for the variable.

1. 15
   $\frac{k}{-7}=3$
2. 16
   $p-(-12)=21$
3. 17
   $\frac{x}{5}=3$
4. 18
   $12x=144$

Z.1Is It a Solution?

1. 1yes
2. 2yes

Z.2Which Value Is a Solution?

1. 3$n=15$
2. 4$y=10$

Z.3Write Equations from Words

1. 5$\frac{n}{6}=18$
2. 6$\frac{n}{3}=10$

Z.4Z.5Z.6Solve for the variable.

1. 7$m=3$
2. 8$y=19$
3. 9$m=24$
4. 10$p=20$
5. 11$m=53.2$
6. 12$m=9$

Z.7One-Step Equations with Fractions

1. 13$x=6$
2. 14$n=5$

Z.8Z.9Solve for the variable.

1. 15$k=-21$
2. 16$p=9$
3. 17$x=15$
4. 18$x=12$