Respuesta :

Answer:

2y      +3c     -4

Step-by-step explanation:

(9y + 2c) + (-7y + c - 4)

Combine like terms

(9y + -7y) + (2c + c ) -4

2y      +3c     -4

Answer: 2y + 3c - 4

Step-by-step explanation: We will be solving the equation until to a pount it can no longer be simplified.

Step 1: Combine Like Terms: (9y-7y) + (2c + c) + (- 4)

Step 2: Simplified answer: 2y + 3c - 4