6:1 , basically asking the ratio of one to the other. Understand?
The correct answer is c y-5=4(x-7)
Answer: C)
Step-by-step explanation:
The inverse of an exponent is a square root And the inverse of addition is subtraction.
Option a:
is the solution to the system of equations.
Explanation:
The equations are
and 
Equating these two equations, we have,

Taking LCM and multiplying both sides by 5, we get,

Simplifying , we get,

Substituting the value of x in
, we get,

Thus, the solution is 
Changing the solution from fraction to decimal, we get, 
Thus, the solution is 
Hence, option a is the correct answer.
Two times the quantity of the difference m and n is equation to x more than 7