Answer:
Step-by-step explanation:
An negative exponent seems hard, but it really isn't!
Let's say you have 
All you do is inverse the expression, or find the reciprocal. When you do this the exponent changes to positive .

simplifies into 8. So, the result is

Hope this helps! Please mark as brainliest, thanks!
Answer:
x = 40
Step-by-step explanation:
2/5x + 1/4x = 26
~Find common denominators
8/20x + 5/20x = 26
~Combine like terms
13/20x = 26
~Multiply 20/13 to both sides
x = 40
Best of Luck!
We can't help unless we know what to "rewrite"
Step-by-step explanation:

Answer:
with a line
Step-by-step explanation:
so you get a use a graph calculator and you put in that and it shows the answer.