9 = 2s + 1

• 3.5

• 5

• 4

• -4

4x -7 =21

• -7

• 7

• 8

• 5

y/3 + 6 = 9

• 12

• 9

• 15

• 3

• x = 8

• x=16

• x=3

• Add 11 to both sides

• Add 3 to both sides

• Divide 3 on both sides

• Subtract 11 on both sides

• Add 6

• Divide by 8

• Subtract 8

• Subtract 6

W/3 + 6 = 8

• 8

• 4

• 2

• 6

• C = 7

• C = 6

• C = 18

• C = 3

• -10

• -8

• -6

• 8

• Subtract 6 from both sides then multiply both sides by 5

• Add 6 to both sides and divide both sides by 5

• Subtract 6 from both sides then divide both sides by 5

• Add 6 to both sides and multiplky by 5