Simplifying Algebraic Expressions

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Simplify the following expression:
a - 8 - 10

• 2a - 18
• a - 18
• a - 2
• a + 18

Simplify the expression: -5(x + 4)

• 5x + 4
• -5x + 4
• -5x - 20
• -5x + 20

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five
• eight
• six
• nine

Simplify:
5x - 6x - 8x + 7 

• -9x + 7
• -9x -  7
• 9x + 7 
• 9x - 7

Simplify:
-1x + y - z + 10z + 2x - 10y

• 1x - 9y + 9z
• 1x - 9z - 9y
• -1x - 9z - 9y
• -1x - 9 - 9y

Simplify:
1y - 2x - 3y + 4x

• -2x + 2x
• -2y - 2x
• -4y - 6x
• 2y - 2x