How can u determine the sale price if you are given the regular price and the percent of markdown

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work