Simplifying Algebraic Expressions

What is the simplified form of this expression 3x + 4 + 5x + 3

• 15x
• 8x+7
• 7x+8

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11

How many terms are in the expression 4x - 3 + 2x - 12 ?

• 2

• 3

• 4

• 5

Simplify the algebraic expression:

3n - n

• n

• 2n

• 3n

• 4n

What is 7y + 15 - 7y -8?

• 3

• 5

• 6

• 7

Simplify 4x + 8 + 2x - 7.

• 6x + 15

• 6x - 1

• 6x + 1

• 2x + 1

What expression represents the perimeter of the rectangle?

• 4y - 4

• 2y - 2

• 4y + 4

• 2y + 4

Which equation is equivalent to 2(y + 11) ?

• 2y + 22

• 2y + 11

• 2y + 13

• y + 22

4u - 20 + 12u + 5 = ___