Unit Review: One-step equations

Z.1Write yes or no.

1. 1
   Is $m=7$ a solution of $m+4=8$? 
2. 2
   Is $x=12$ a solution of $2x=30$? 

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

1. 3
   $7x=14$   $0123$
2. 4
   $x-7=5$   $9101112$

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

1. 5
   8 times a number is 168.
2. 6
   9 times a number is 108.

Z.4Solve for the variable.

1. 7
   $p+5=24$
2. 8
   $y-2=3$

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

1. 9
   $9k=72$
2. 10
   $10k=40$
3. 11
   $2.1x=18.9$
4. 12
   $0.6m=5.4$

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

1. 13
   $\frac{y}{5}=\frac{5}{6}$
2. 14
   $\frac{n}{9}=\frac{1}{2}$

Z.8Z.9Solve for the variable.

1. 15
   $y-(-3)=5$
2. 16
   $x-(-6)=-2$
3. 17
   $9x=90$
4. 18
   $12n=108$

Z.1Is It a Solution?

1. 1no
2. 2no

Z.2Which Value Is a Solution?

1. 3$x=2$
2. 4$x=12$

Z.3Write Equations from Words

1. 5$8n=168$
2. 6$9n=108$

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

1. 7$p=19$
2. 8$y=5$
3. 9$k=8$
4. 10$k=4$
5. 11$x=9$
6. 12$m=9$

Z.7One-Step Equations with Fractions

1. 13$y=4\frac{1}{6}$
2. 14$n=4\frac{1}{2}$

Z.8Z.9Solve for the variable.

1. 15$y=2$
2. 16$x=-8$
3. 17$x=10$
4. 18$n=9$