What is the slope-intercept form of the equation 3x + 4y = 15?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?