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:

step-by-step explanation:

always plug in x. in this case, x equals 4.

i'm going to first solve 4(2+3x)

1) 4(2+3(4)) use pemdas to solve.

i'm going to multiply whats in the parenthesis first, so 3 times 4=12.

2)4 (2+12) i'm then going to multiply 4 by both numbers in the parenthesis (because multiplying comes before adding)

4 times 2= 8.   4 times 12= 48

4) (8+48)= 56 (answer)

i'm then going to solve 8+12x and plug in 4 for x.

1) 8 +12(4)

multiplying comes before adding, so i'm gonna multiply 12 and 4.

12 times 4= 48.

2) 8+48=56

both equal the same!