Topic: Substitution

Evaluate 4x + 4y + 5 when x = -3 and y = 5.

• 13
• 14

Evaluate -4x + 4y + 3 when x = -5 and y = -1.

• 17
• 20
• 19

Evaluate -2x + y – 6 when x = 3 and y = -4.

• -18
• -15
• -7
• -16

Evaluate 3x + 5y when x = 5 and y = -3.

• 1
• 0

Evaluate -6x + y – 7 when x = -3 and y = -3.

• 9
• 8
• 6

Evaluate -4x – 4y + 7 when x = 6 and y = -2.

• -9
• -8

Evaluate 3x + 6y + 4 when x = 3 and y = -1.

• 8
• 7
• 5

Evaluate 4x – y – 6 when x = -4 and y = -1.

• -21
• -20
• -23