Equations Review

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.

6z + 3 -4z = 9

• z = 3
• z = 60
• z = 30
• z = 1

4 = 2(x + 3)

• 1/2
• 7/2
• -1
• 5

c/2 =  -14

• c = -7
• c = -7
• c = -28
• c =  28

Two rectangular walls each with a length of 12 feet and a width of 23 feet need to be painted.  It costs $0.08 per square foot for paint.  How much will it cost to paint the walls?

• $22.08
• $34.50
• $23.04
• $44.16

Solve

• 5

• 2

• No Solution

• Infinitely Many Solutions

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

Simplify:  $-8\left(x-2\right)$  

•  $-8x+2$  

•  $8x+2$  

•  $-8x+16$  

•  $-8x-16$  

What is another way to write the expression

 $c+0.25c$ ?

•  $2.25c$  

•  $0.75c$  

•  $0.25c$  

•  $1.25c$  

You bought a magazine for $8 and 6 erasers.  If you spent a total of $11, then how much did each eraser cost?

• $3.00
• $2.00
• $.50
• $.625