Simplifying Algebraic Expressions

Simplify the expression.
8x + 9x - 12

• 17x - 12
• 17x + 12
• 5x
• 16x - 12

Simplify the expression.
25x + 6 - 13x

• 18x
• 12x + 6
• 38x + 6
• 31x + 6

Simplify the expression.
-22x - 16 + 12x

• 34x - 16
• -34x - 16
• -10x - 16
• -10x + 16

Simplify the expression.
-35x + 42x + 66

• 22x + 66
• 77x + 66
• 73x
• 7x + 66

Simplify the expression.
3(x + 6) + 19x

• 22x + 18
• 22x + 6
• 16x + 18
• 33x

Simplify the expression.
23y + 9(y - 3)

• 32y - 3
• 32y - 27
• 23y + 3
• 23y - 27

Simplify the expression.
3x + 19 - 6x + 14

• 9x + 33
• -3x + 19
• -3x + 33
• -3x + 5

Simplify the expression.
-19m - 22m + 15 + 6m

• 3m + 15
• -35m
• -20m
• -35m + 15

Simplify the expression.
-3m - 7m + 13 + 5m + 11

• -5m + 2
• -5m + 24
• 5m + 24
• 5m + 2

Which expression represents "8 less than 7 times a number?"

• 7 + 8n
• 8n + 7
• 8 - 7n
• 7n - 8