C and d are going to be the answers to your question. >-< :)
For the third one, on the left side do 3-51.29 and keep doing it like that and you should get all the answers you need :)
Step-by-step explanation:
We just subsitue 3 for x and -4 for y, so we get

So




Answer:

Step-by-step explanation:
we have

Solve for x
Multiply in cross

Divide by 33 both sides (Division Property of Equality)


Convert to mixed number
