Linear Equations and Expressions

Find the sum:  (n + 7) + (n - 14)

• n + 7
• 2n + 7
• 2n - 7
• n - 7

Find the sum:  (6 - k) + (4k + 1)

• 5k + 7
• 3k + 7
• 5k + 5
• 3k + 5

Find the sum:  (3w - 8) + (-6w - 4)

• -3w + 12
• 9w + 12
• -3w - 12
• -9w - 12

Find the sum:  ¼(8m - 12) + ⅓(6 - 9m)

• -m - 1
• 2m - 1
• -m + 1
• -2m - 1

Find the difference:  (-3h + 4) - (h + 11)

• -2h + 15
• -4h + 15
• -4h - 7
• -2h - 7

Find the difference:  (5x + 6) - (3 - 2x)

• 3x + 9
• 2x + 4
• 7x - 3
• 7x + 3

Find the difference:  (y - 7) - (-3y + 4)

• -2y - 3
• 4y - 11
• 4y - 3
• -2y - 11

Find the difference:  -2(h - 4) -3(-3h + 2)

• 7h + 2
• -11h - 2
• 7h - 2
• 11h + 2

Find the sum:  (3d - 5) + (d + 3)

• 4d + 8
• 2d + 8
• 2d - 2
• 4d - 2

Find the difference:  (3m + 6) - (3m - 2)

• 6m + 4
• 8
• 4
• 6m + 8