Combine the like terms 7+19t-6t a) 7-13t b) 20 c) 20t d) 7+13t

5/6x-2/3x a) 1/6x b) 1/3x c) 1/2x d) x

8+16r-9r a) 8+7r b) 15r c) 15 d) 8-7r

The answers would be as follows:

1. d

2. a

3. a

Step-by-step explanation:

To find the combined terms, focus only on the terms that have the same variable value. See the examples below.

1.

7 + 19t - 6t

7 + (19t - 6t)

7 + 13t

2.

5/6x - 2/3x

(5/6x - 2/3x)

1/6x

3.

8 + 16r - 9r

8 + (16r - 9r)

8 + 7r