Answer:
A
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
This question can be modeled using the equation 3x+4=52 (x is the purple marbles). To solve this equation subtract 4 from both sides, making it 3x=48. divide both by three showing x=16. This shows that 16 is the answer.
Answer: 2222
Step-by-step explanation: 2000+200+20+2 = 2222
The x=7y-4 one and put it to where the x in the other equation is.
