Question

Simplify 9c + 7 + 3c + 5d

Answer 1

9

+

7

+

3

+

5

{\color{#c92786}{9c}}+7+{\color{#c92786}{3c}}+5d

9c+7+3c+5d

1

2

+

7

+

5

1

2

+

7

+

5

{\color{#c92786}{12c+7+5d}}

12c+7+5d

1

2

+

5

+

7

{\color{#c92786}{12c+5d+7}}

12c+5d+7

Solution

1

2

+

5

+

7

Answer 2

16d+7

Explanation:

you add the 9c 3c to get 12d so you have the equation 12d+7+5d