U=6 u add 5u and u get 8u on the left side then u divide by 8 and u get 6 so U=6
WUT I SEE NO PICTURE IT DIDNT LOAD LOL
Answer:
because any exponent that is a negative has to be brought down.
hope that helps :)
14 turns to 21 (14 + 7), 21/3 is 7, 7=x