F(x)=x+2g(x)=2x−5 Functions f and g are defined as shown. What is the x -coordinate of the point where the graphs of y=f(x) and y=g(x) intersect in the xy -plane?

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?