Adding and Subtracting Linear Expressions Prac

Find (2x + 3) + (x + 4)

• 2x + x
• 12 + 3x
• 2x² + 12
• 3x + 7

5(x-4) + (2x-7)

• 3x - 28
• 5x + 2x -27
• 7x² + 11
• 7x -27

(10j - 7) - (-9j + 2)

• j - 5

• 19j - 9

• j + 9

• 19j - 5

(3x +8) - 6(2.5x - 3)

• 18x -10

• 18x + 26

• -12x + 26

• 12x -10

Find the difference:
(2x + 7) - 3(5x - 4)

• -13x - 5
• 17x + 5
• 17x + 5
• -13x + 19

(6x + 3y + 4) – (8x + 9y)

• -2x - 6y
• -2x - 6y + 4
• 2x + 6y + 4
• 14x + 12y + 4

(6x + 3y + 4) – (x + y – 5)

• 5x + 2y + 9
• 7x + 2y + 9
• 7x + 4y + 9
• 5x + 2y -1

(x + 4) + (3x + 9)

• 4x + 13
• 3x + 13
• 4x +5

Find the sum:
1/2 (4x + 4) + (2x + 8)

• -4x + 10 
• 4x + 10
• 6x + 12
• -6x + 12

(-4x + 3) + (-2x + 8)

• -6x + 11

• -2x + 11

• -2x + 5

• -6x - 5