Math 7 Plus - Unit 2: Equations Review

• x = 15

• x = 10

• x = 5

• x = 7.5

• x = 99

• x = 33

• x = 26

• x = 36

• 4x = 20

• 4x - 20 = 20

• 4x = 40

• -6x - 10 = 20

• 4x = 20

• 4x - 20 = 20

• 4x = 40

• 14x - 10 = 40

• 2x - 5 = 15

• 4x - 5 = 15

• 2x - 10 = 15

• 4x - 5 = 30

• x - 2.5 = 7.5

• x - 10 = 7.5

• x - 10 = 30

• 4x - 2.5 = 7.5

• 2(x + 5) - 5 = 35

• 2x = 35

• -3x + 5 = 35

• -3(x + 5) = 35

• 4(x + 5) = 80

• 4(2x + 10) = 80

• x + 5 = 20

• 4(2x + 10) = 40

• (0.5x + 2.5) = 20

• 4(2x + 10) = 20

• x + 5 = 20

• 4(2x + 10) = 40

Bre sells stickers. On Monday, she made $5 selling stickers. On Tuesday, she made $18 selling stickers. Then, for the next three days, she made the same amount of money each day. After all 5 days of selling stickers, she had a total of 50 dollars.

Which equation could represent the scenario described above?

• 23 + 3x = 50

• 13 + 3x = 50

• 73 = 3x

• 23x = 50