It's (1) what is the solution to the system of equations? 3x -6y = -12 x - 2y = -8 (a) use the substitution method to justify that the given system of equations has no solution. (b) what do you know about the two lines in this system of equations? 2. use the linear combination method to solve the system of equations. explain each step of your solution. 2x - 3y = 12 x + 2y = -4 3. mr. sanchez’s class sold fruit pies for $1.65 each and mr. kelly’s class sold bottles of fruit juice for $1.36 each. together, the classes sold 79 items and earned $118.17 for their school. (a) write and solve a system of equations that model the problem. show all your work. (b) which class earned more money? (c) how much more money did that class earn?