2x + 2 = -52 what's the value of x

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)