Order of Operations, Solving Equations

Please solve this equation

1.2x = 9.6

• x = 8

• x = 10.8

• x = 8.4

• None of these match my answer

Please solve this equation

7x = 84

• x = 77

• x = 91

• x = 588

• None of these match my answer

Solve the following:
(2 + 7 - 1) ÷ 2²

• 16

• 2

• 72.25

• 8.75

18 + (6 – 2) × 2

• 26

• 29

• 44

• 40

15 + 7 × 2 – 11 + 35

• 38

• 251

• 53

• 50

(14 - 2) x 10 + 6 = 

• 144

• 18

• 150

• 126

8 ÷ 8 + 6 × 2

• 8

• 13

• 14

• 23

8 + 7 × 3 – 8

• 37

• 21

• 10

• 30

91 + 27 ÷ (72 ÷ 24)

• 100

• 96

• 90

• 127

What operation comes first and WHY?
(8x7-6)÷30

• Multiplication, because it is inside the parenthesis

• Multiplication, because you read left to right

• Division, because it comes first alphabetically

• Subtraction, because it's easy and gives the answer 1