Answer:
Explanation:
Goal 1: Solve for x: Subtract 6y from both sides. This yields -4x = -6y - 30.
Change all the signs to +. We get 4x = 6y + 30. Dividing all terms by 4 yields x = (3/2)y + 15/2.
Goal 2: Solve for y. Add 4x to both sides. Then 6y = 4x - 30, or y = (2/3)x - 5