Post Test Review

When adding integers and the signs are the same, what do you do?

• You ADD and keep the sign they have

• You SUBTRACT and take the sign of the big number

-8 + -2 =

• 6

• -10

When you are adding integers and the signs are different, what do you do?

• ADD and keep the sign they both have

• SUBTRACT and take the sign of the bigger number

-23 + 51

• -74
• 28
• 41
• 51

Solve

-3 + -2

• 5

• 6

• -6

• -5

(-9) + 9

• 18
• -18
• 0
• 81

 $-3+\left(-7\right)$  

•  $-10$  

•  $10$  

•  $-4$  

•  $4$  

2x=10

Solve for x

• 10

• 20

3x+12=15

• x = 5

• x = 1