Writing & Solving Equations

Translate into an expression:
two more than three times x 

• 3x-2
• 2>3x
• 2+3x
• 2(3x)

Solve for the variable. 3x=-27

• x=9
• x=-30
• x=-9
• x=-24

Which choice describes the step needed to isolate the variable? (Tap outside of the gray box to see the equation.)

• Divide both sides by 11
• Multiply both sides by 11.
• Add 11 to both sides.
• Subtract 11 to both sides.

Translate: 
Four times a number plus six IS 30.

• 4 + 6 = 30
• 4x + 6 = 30
• x + 4 times 6 = 30
• 30 = 4x

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

2. Cheryl gets paid $8 per hour for her job at the record store.  She made a total of $96 last week.  Which equation models this situation?

• 96h = 8
• h/96 = 8
• 8h = 96
• h/8 = 96

1. Ted bought a dolphin poster for $12.  He now has $5.  Which choice models this situation?

• m - 12 = 5
• m - 5 = 12
• m + 5 = 12
• m + 12 = 5

b/12 = 5

• 17

• 60

• 7

• -7

?

• A

• B

• C

• D

?

• A

• B

• C

• D