Review of Solving Equations

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

6 = a/4 + 2

• 16
• 15
• 14

9x -7 = -7

• 4
• 0
• 5

Solve:
10x + 9 = 4x - 9

• 0
• 3
• -3
• -18

Solve:
8w - 8 = -4w + 16

• 8
• 16
• 24
• 2

Solve:
7w + 5 = 3w - 15

• 5
• -2
• 2
• -5

Solve for a:

9+2a = -3-4a

• a=5

• a= -1

• a= -2

• a=2

solve for x:

5x-14 = 8x+4

• x= -18/13

• x= 6

• x= 10/3

• x= -6

Solve or a:

6a+3-4a=9

• a= 3

• a= 9

• a= 6

• a= -3

Which answer is the solution to the following equation?

30a-24=5a+26

• a=1

• a=1.3

• a=2

• None of these