Algebra yr8 revision

Simplify the following expression: b x b x b x b

• 4b

Simplify the following: 9a - 5a

• 3a

• 2a

• 9a - 5a

• 3

Simplify the following expression: 20b + 7g -7b + 4

• 20ag + 4

• 13b + 7g + 4

• 20b + 4

• 20g + 4

5y x 4b

• 20yb

• 20

• 20by

• by

Simplify the following expression: 2h x 3 + 7(h +1)

• 7h + 1

• 10h

• 21h + 7

• 13h + 7

• 5a

• 5ab

• 5

• 8a + 7a

• 12a + 6a

• 18a