Combining Like Terms 10/24

Simplify the following expression:

-7x - 9x

• 63x²

• -16x²

• -16x

• -15x

Simplify the following expression:

-10x + 15 - 3x + 2

• -7x + 17

• -13x + 13

• -13x + 17

• -7x + 17

Simplify the following expression
9 + 5m - 4

• 5m-5
• 10m
• 5m+5
• 5m+13

Simplify the following expression:

3 + 5x + 8 - 2x

• -3x - 11

• 3x + 11

• -3x -11

• 8x + 6

Simplify the following expression
7 - 8c + 3 - 6c 

• -10+14c
• -25
• 10-14c
• 25c

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

A coefficient is __________.

• the variable
• a constant
• an exponent
• the number that comes before the variable

How many terms does this expression have?
-18y + 7yz - 4z

• -18
• 3
• 7
• -4

Simplify: 7t - 3t + t - 3t

• 2t

• 8t - 6t

• 14t

• Can't be simplified

Simplify: m + m + m + m

• 4m

• m⁴

• m

• Can't be simplified