Evaluating Expressions

Evaluate 4y  if       y = 3

• 7
• 12

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

Evaluate the expression when
x =5    and   z = 4
z²  - 2x

• 6
• 2
• 17
• 26

9 – (6 + 3) = ______

• 0

• 6

• 18

• 12

Simplify the following equation:

2x -5 -(4x-4)

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