What is the value of x if 9x^-1 - 2 = 25

Step-by-step explanation:

You need to remember the Negative exponent rule:

Then, having the equation , you can rewrite it in this form:

Now add 2 to both sides of the equation:

Multiply both sides of the equation by "x":

 And finally divide both sides of the equation by 27.

The value of "x" is:

answer:  

123455421

step-by-step explanation: easy

b.an increase in a causes b to decrease