Equivalent Expressions

Which two expressions are equivalent?

• (13 - 6) ÷ y and 10 - (6 ÷ y)

• 8 + (4 · y) and (8 + 4) · y

• (13 ÷ y) + 9 and 9 + (y ÷ 13)

• 11 - (y · 3) and 11 - (3 · y)

Which expression is equivalent to 6 (x + 5)?

• 6 + 6 = x + 5

• 6 · x + 6 · 5

• 6x + 5

• 6 + x + 5

Which expression is equivalent to 10 ÷ (8 + b)?

• 10 ÷ 8 + 10 ÷ b

• 10 ÷ (b + 8)

• (8 ÷ 10) + b

• (8 + b) ÷ 10

Which expression is equivalent to 13r + (8r + 7r)?

• (13r + 8r) + 7r

• 13r - 8r - 7r

• 13r - r

• 8r + 7r

Which two expressions are equivalent?

• 8(5 + x) and 8 · 5 + 8 · x

• x + (7 · 6) and (x + 7) · 6

• 5 · 4 ÷ x and 5 · x ÷ 4

• 8 · x + 3 and 8 · (x + 3)

Which two expressions are equivalent?

• 8 + (4+x) = (8 + 4) + x

• (16 ÷ x) + 10 = 10 + (x ÷ 16)

• 9 - (3 · y) = (3 · y) - 9

• (11 - 5) ÷ y = 11 - (5 ÷ y)

Which expression is equivalent to (4 · j) + 2

• 8j

• 2+ (j · 4)

• 2 · 4 + j

• 2j + 8

Which expression is equivalent to 28(116y - 20)

• 28 (96y)

• 28 · 116y - 28 · 20

• 28 · 116y - 20

• 8(116y)

Which expression is equivalent to 2g + (4g + 5g)

• 40g

• 8g + 9g + 7g

• (2g + 4g) + 5g

• 2g + 10g

Which expression is equivalent to 10 ÷ (6 + x)

• 10 ÷ (x + 6)

• 16 + x

• 10 ÷ 6 - x

• 10 ÷ 6 + x