25+7=p-6

25+7=p-6

32 = p - 6
32 + 6 = p - 6 + 6
38 = p

You always want to move the numbers to one side and the variable to another side to do that...

25+7=p-6

Move the 6 to the other side. Since its a minus make it a plus...

25+7+6=p

38=p

There you have your answer!