Question

Please HELP!!! This is a math post test!!!!!!!!

Drag the tiles to the boxes to form correct pairs. Not all tiles will be used.
Match the equivalent expressions.

Answer 1

Yes person on top explained it well ^^

Answer 2

x + 3y + 12 = 3x + 2y - 2x + y + 12

3y + 12 = x + 3y - 2x -3x + 7 + 7

3x + y - 12 = 4y + 3y +3x - 6y - 10 - 2

x - 3y + 12 = 12 - 3y - 2x + x + 2x

Explanation:

left over equation is 5 + 2y +7x - 4x + 3y - 17