Answer:
x^3+3x−3+x^2
Step-by-step explanation:
Hello! And thank you for your question!
First add 7 to both sides:
x/5 = 4 + 7
Then simplify 4 + 7:
x/5 = 11
After that, multiply both sides by 5
11 x 5 = x
Finally, Simplify 11 * 5:
x = 55
Final Answer:
x = 55
I don't get it a all I tried fr
Answer:
15x/2*4
Step-by-step explanation:
Answer: 20.2 mph
Step-by-step explanation:
Given
Train travels 10.1 miles in half an hour i.e.
Distance 
time 
we know, 
Insert the values
