Expressions Review

Find the difference:
(8 - u) - (5u + 1)

• 6u + 7 
• -4u + 7
• -6u + 7
• 4u - 7

Simplify   2(3x + 5)

• 6x + 10
• 23x + 5
• 6x + 5
• 11x

Simplify the expression.
3a + 2c - 5 - 4a

• Simplified
• 2c - 5 - 7a
• 2c - 5 - a
• 2c - 5 - 4a

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 8x + 6
• 9 + 7x

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

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

Simplify the Expression. 
-2 + x - 4y + 3x 

• Simplified
• -2 + 4x - 4y
• -2x + 4y + 3x
• 3x -2 + 4y

What is the coefficient on the expression: 7-5x+1

• 7

• 5x

• 1

• -5

Simplify the expression:

-3r + 7 - 3r - 12

• -6r + 19

• 6r - 5

• -6r - 5

• -11r

Simplify by combining like terms:

12y - 8 + 4y + y

• 17y - 8

• 16y-8

• 9y

• 8y+y

Combine like terms:

9a - 8a

• 1

• -1a

• a

• 2