One-Step Equations

What is the solution for x + 9 = 21

• 10
• 12
• 11
• 13

Solve for b
2b = -16

• 8
• 4
• -8
• 3

• x = 20
• x = 7
• x = 10
• x = 3

m+13=21

• m=34
• m=8
• m=273
• m=6

Solve for y:
y - 7 = 10

• 17
• -3
• 3
• -17

k+8=15

• k=23
• k=10
• k=7
• k=11

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

 $\frac{x}{5}=20$  

• 100

• 120

• 4

• 5

 $x\div4=4$  

• 4

• 16

• 20

• 1