Question

5+5+5=550 Solve it.

Answer 1

5+5+5=550

545+5=550

Add a straight line to the first "+" to make it a "4".

Hope this will help u.

Answer 2

Hello,
first in the equation 5+5+5=550, you must change by adding one thing the addition sign.

by making the first adding sign into 4 by adding a line at the sign
Lastely,the equation is now 
545+5=550
550=550
and it is now a true question.

bye :-)