Equations and Inequalities Review

- 5 x ≥ 30

• x  ≥ -6

• x > 6

• x < 6

• x ≤ -6

Does the sign need to flip when solving?
-2x ≥ 22

• YES

• NO

Solve
-5m < 10

• m < -2

• m > -2

• m < -50

• m > -50

-8x < 48

• x < -6

• x > -6

• x < 6

• x > 6

15 = 2a + 7

• 2

• 4

• 12

• 14

3c + 5 = 23

• c = 3

• c = 6

• c = 7

• c = 18

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

• 24-10=7x

• 7x- 24=10

• 7x+ 10=24

• 10+x=14

WRITE AN EQUATION
331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

• 331=7x+6

• 331=13x

• 331=6x+7

• 331-7=6x

WRITE AN EQUATION
You bought a $5 magazine and four
erasers. You spent a total of $25. How
much did each eraser cost?

• 5+x=25

• 5+4x=25

• 5x=25

• 23-5=4x

• x = 20
• x = 7
• x = 10
• x = 3