Answer:
51x
Step-by-step explanation:
3x^3 - 7x + 3x^3 + 4x
27x - 7x + 27x + 4x
20x + 31x
51x
Answer:3.50x+40=57.50
They bought 5 movies
Step-by-step explanation:
Answer:
10(10+x)
Step-by-step explanation:
Answer:
Rr = 51 : 68
Step-by-step explanation: