Math essential Fall 2021

-12 + 9

• 21
• 3
• -3
• -21

-3(-4)

• -12
• 7 
• -7
• 12

-5 + 4

• 1
• -1
• 9
• -9

10 + (-4) = ?

• -6
• 6
• 14
• -14

 18 - (-4)

• -22
• 4
• 22
• -4

Solve 7k - 14 = 42

• 7

• -8

• 0

• 8

Solve  $\frac{x}{5}+2\ =\ 6$  

• t = 20

• t = -20

• t = -40

• t = 40

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Solve 8 = 4v + 12

• -1

• 1

• 0

• -10

-3x − 4 < 5

• x > -3
• x < -3
• x < (1 ⁄ 3)
• x > (1 ⁄ 3)