What is the answer?

1/3x + 4 = x - 2

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay