Mastering Algebraic Expressions

What is the variable in the expression 3x + 5?

• 3y

• x

• 3

• 5

Evaluate the expression 4(2 + 3) - 6.

• 14

• 12

• 8

• 10

Combine like terms: 2x + 3x - 5 + 7.

• 4x + 3

• 5x + 2

• 5x - 5

• 2x - 2

Simplify the expression 5a + 3a - 2a.

• 5a

• 4a

• 7a

• 6a

Identify the variable in the expression y - 4 = 10.

• 4

• 10

• y - 4

• y

Evaluate the expression 8 + 2(3 - 1).

• 10

• 12

• 6

• 14

Combine like terms: 6m + 4n - 2m + 3n.

• 6m + 7n

• 2m + 5n

• 4m + 7n

• 4m + 4n

Simplify the expression 7x - 2x + 4 - 3.

• 4x + 2

• 6x - 1

• 7x - 1

• 5x + 1

What is the value of x in the expression 2x + 3 = 11?

• 7

• 4

• 2

• 5

Evaluate the expression 10 - (2 + 3) × 2.

• -5

• 5

• 10

• 0