Like this :-
First we will remove 6 from the left side of the equation and add 6 on the right side this would bring this :-
x +25+5=26
Then we will substract 25 from both sides ,this would bring this :-
x + 5 = 1
Then we will substract 5 from both sides this will give us :-
x = -4 ,so x = -4