60 = 9x - 21 What is the solution to this equation plz hurry

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?

What is the equation of the line written in general form? 0-x+y-2-2 ox+y-2=0 02x+4-2=0

How do you find percent change? ? i will give brainliest for the bestme i don’t understand