no solution, one solution and identity

Combine like terms 
4 - 7x + 3 + 4x - 5x +7

• 12
• -8x + 14
• 12x
• 16x +14

Solve     3/4x = 12

• x= 9
• x= 3
• x = 16

Solve
4 ( 3x +2) = -16

• x = -24
• x = 8
• x = 1.3
• x = -2

Solve
3x + 2(x +2) = 14

• x =2
• x = 2.4
• x = 1.5

Solve
3x + 5 = 20

• x = 3
• x = 5 
• x = 2.5

Solve
1/2x - 4  = -9

• x = -22
• x =-8
• x =5
• x = -10

Solve
2(x +4) = 2x + 8

• x = 1
• 4 = 8
• 8 = 8

Solve
 3x + 5 = 3(x + 5)

• 5 =15
• 5 =5
• x = 3.2

Solve
x/5 = 10

• x + 2
• x= 50
• x= 15