Equation Application 8th

2d + 7 = 9 

• 1
• 7
• 4
• 3

11 = 3z + 5

• 2
• 6
• 1
• 4

Solve.  -3x - 12 = 15

• 9
• -1
• 27
• -9

Solve.  x/4 + 11 = 20

• 9
• 36
• 9/4
• 31/4

Solve.  x/12 - 8 = -4

• 3
• 12
• 144
• 48

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Andrew has saved $55 toward the purchase of an IPOD. The IPOD costs $145. Which equation represents the amount Andrew needs to save to by the IPOD?

• 55 + x = 145
• 145x = 55
• 55 - x = 145
• 145 (55) = x

Molly won 40 pieces of gum playing horseshoes. After giving some away she only has 13 remaining. Write an equation to expression mow many she gave away?

• 40 x g = 13

• 40 + 13 = g

• 40 - g = 13

• 40/g = 13