GMS 7th math Solving equations

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

3x - 5 = -26

• x=-21
• x=21
• x=-7
• x=61

Solve for k:
3k + 5 = 23

• k = 4
• k = 5
• k = 6
• k = 7

Solve  3x - 7 = 32

• 13
• -13
• 12
• -12

Solve   -5t + 9 = 24

• -3
• 3
• 12

Solve   7y - 4 = -11

• 1
• 2
• -1
• -2

Solve  12 - 6y = 24

• -1
• -2
• -3
• -4

7(-6x+5)=497

• x=1
• x=9
• x=-11
• x=99

-6(8x-7)=522

• x=-10
• x=109
• x=10
• x=4

6 ( 2n + 5 ) = 66

• 3

• 5.08

• 8

• 432