Algebra and Solving Equations

Simply the expression: 5y - 2y

• 7y

• -3y

• 3y

• -7y

Simplify the expression: 4b + 6 - b + 2

• 3b + 8

• 5b - 4

• 5b + 8

• 3b + 4

Simplify the expression: 3xy + 9z + xy - 8z

• 2xy + 17z

• 4xy + 17z

• 2xy + z

• 4xy + z

If a = 2, find the value of: 3a

• 4

• 5

• 6

• 7

Remove the brackets and simplify: 8(a + b) - 4(2a + 3b)

• -4a

• -4b

• 8a

• 8b

Remove the brackets and simplify: 2x(3x + 1)

• 6x² + 2

• 5x² + 2x

• 5x² + 2

• 6x² + 2x

Multiply out and simplify: (x + 1)(x + 3)

• x² + 4x + 3

• 2x² + 4x + 1

• x² + 3x + 1

• 2x² +3x + 3

Solve the equation: x + 6 = 14

• 6

• 7

• 8

• 9

Solve the equation: 7x = 28

• 4

• 5

• 6

• 7

Solve the equation: 5x + 2 = 4x + 8

• 4

• 5

• 6

• 7