Algebraic Expression Addition

Simplify:
-15 - 11 + 3g + 18g

• 21g + (-12)

• 21g - 4

• 21g + (-26)

• 21g + 12

Simplify 2x + 7x + x

• 9

• 10

• 9x

• 10x

Simplify:
14k + 4 + 18 - 16k

• 30k + 14

• 30k - 14

• -2k + 22

• -2k + 14

Ali spends $(2y + 1) on video games and $(9 + 3y) on pens. How much money did he spend altogether?

• $ (5y + 10)

• $ (5y - 10)

• $ (5y)

• $ (15y)

10y + 7k - 2y + 3k

• 17k - y

• 8y + 10k

• 12y -10k

Add w-10, 9w-3

• 10w + 7

• 9w - 5

• 9w + 13

• 10w - 13

Add 4x + 5y + 6xy, -9x + 6y - 4xy

• -5x + 11y + 2xy

• 13x +11y + 10xy

• 5x - 11y - 2xy

• None of these

Add: -6k + 3 , 7k +9

• k + 12

• -k - 12

• 13K + 12

• -13k - 12

Add -2x + 11, +6x

• 4x+11

• -4x-11

• 4x-11

• 2x-11

What are the like terms in the following expression:

3x + 9x + 2x²

• 7, 24y

• 3x, 9x

• 3x, -9x

• 3x, -9x, 2x²