Mastering Algebraic Expressions

Simplify: 3x + 5x

• 8x

• 9x

• 5x + 3x

• 6x

Evaluate: 2x + 3 when x = 4

• 10

• 15

• 7

• 11

Add: (2a + 3b) + (4a - b)

• 5a + 4b

• 6a + 3b

• 2a + 4b

• 6a + 2b

Subtract: (5x + 2) - (3x + 4)

• 3x - 2

• 2x + 2

• 5x - 4

• 2x - 2

Multiply: 3(x + 2)

• 3x + 2

• 6x + 2

• 3x + 4

• 3x + 6

Simplify: 4y - 2y + 7

• 2y + 7

• 2y + 5

• 7y - 2y

• 4y + 7

Evaluate: 5a - 2 when a = 3

• 13

• 9

• 15

• 11

Add: (x + 2) + (3x - 5)

• 2x - 3

• 5x - 3

• 4x + 2

• 4x - 3

Subtract: (7m + 4) - (2m + 1)

• 5m + 1

• 3m + 4

• 7m + 2

• 5m + 3

Multiply: 2(x - 3)(x + 3)

• 2x^2 + 18

• 2x^2 + 6

• 2x^2 - 6

• 2x^2 - 18