Equations e-Learning 1.28.19

12+5w-4w=15

• w=1
• w=3
• w=5
• w=4

3(x-6)+2x=22

• x=8
• x=2
• x=18
• x=3

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

Solve: 5x - 14 = 8x + 4

• x = 6

• x = -6

• x = -18/13

• x = 10/3

 What is the second step in solving the following equation?
-3x + 5 = 20

• Subtract 5 from both sides
• Divide both sides by -3
• Divide both sides by 3
• add 3x to both sides

When solving 234 + N =389, what operation would you use to find the answer

• multiplication
• addition
• subtraction
• division

Laney pays $0.99 for each song she downloads from the Internet. In total, she paid $24.75 for songs from the Internet. How many songs does Laney download? 

• 20 songs
• 25 songs
• 30 songs
• 35 songs

Tags

CCSS.6.EE.B.7

7(1 - y) = -3(y - 2)

• x = 1/4
• x = 4
• x = 5

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

Tags

CCSS.7.EE.B.4A

Solve the equation:
3(x - 1) = 2x + 9

• x = 12
• no solution
• x = 10
• x = 6

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7