Expression Like Terms

(x+5) + (2x+10)

• 3x+15

• x-5

• 18x

• 2x² + 20x + 50

9z - 21 - 3z + 10

• Simplified

• 9z - 21 - 7

• 9z - 11 -3z

• 6z - 11

3x + 2x + 3y - 7y

• 5x + 10y

• 5x + 4y

• 5x - 4y

• 5x - 10y

-6(2a -3b + 5c)

• -12a -18b + 30c

• -12a + 18b - 30c

• 8a - 9b - c

• -12a + 18b + 5c

3(6x - 5)

• 18x - 15

• 18x - 5

• 15x + 9

• 9x - 15

What is the coefficient?
4x + 5

• x

• 4

• 5

• 9

-2y + 8 + 7y + 5

• -5y-13

• 9y+13

• 5y+13

• 9y-13

Which of the following algebraic expressions best represents the perimeter of the given polygon?

• 5x + 13

• 7x + 11

• 6x + 8

• 7x + 12

Simplify the expression: 2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

Simplify the expression: 3x + 2x

• 5x

• x

• 6x

• 5