What the diffrence between 15 and -7

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation