Answer: 15
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
To solve it will be easier to turn 7 into a rational number with the same denominator as 5/7
To do this make ratios

Now solve for x
x = 49
This means that the fraction will be 49/7
This can also be written as 
Answer: The question doesn't make sense and you tell it in another way
Step-by-step explanation:
So for this, our equation is gonna be
Firstly, reverse the signs in (x+2) 
Next, change 3x^-4 to 3/x^4, and your answer will be 
Tap on it and that's the answer.