Equations Inequalities Equivalent Expressions

(6x + 3y + 4) – (x + y – 5)

• 5x + 2y + 9
• 7x + 2y + 9
• 7x + 4y + 9
• 5x + 2y -1

0 = 8z + 8 

• -1

• 1

• 0

• 8

3 + (¹∕₄)a = 31

• a= 28

• a= 112

• a= 7

• a= 67

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?

• 7x+6=331

• 13x=331

• 6x+7=331

• 331-7=6x

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

10 < 3x + 19

• x < 3

• x > 3

• x < -3

• x > -3

Solve the inequality:  -3x + 4 > -2

• x < -1

• x > -1

• x < 2

• x > 2

Pheobe has $500 in a savings account at the beginning of the summer. She wants to have at least $200 in account by the end of the summer. She withdraws $25 each week for food, clothes, and movie tickets. Write an inequality that represents Pheobe's situation.

• 200+25w ≥ 500

• 500-25w ≥ 200

• 500+25w ≤ 200

• 200-25w ≤ 500

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x

• 14x

• 14x + 3

• 9 + 7x

(7a + 4) - (9a + 2)

• -2a + 6

• 2a + 6

• -2a + 2

• 2a + 2