Is it impossible to raise to the power of 2 and get a value less than the original number

No it's not. If you raise any decimal number less than one to a power of 2, the number just gets smaller. 

Hope this helps & makes sense ! (:

Any positive decimal less than 1 will get a value less than the original

6x - 3y = by 2-2x + 6y = 1412x - 6y = 6 (result of multiplying by 2)-2x + 6y = 1410x = 20x = 20/10x = 26x - 3y = 36(2) - 3y = 312 - 3y = 3-3y = 3 - 12-3y = - 9y = -9/-3y = 3solution is (2,3) < ==