Find the value of "a" if you knew the perimeter was 47 meters long. Here is the experssion 7a-2
49-2 my answer The perimeter of traingle so what the answer
That isn’t right I don’t think, if a was 47 then it would be wayyyy bigger of a number. You are finding how 7a-2 is 47. First add 2 to both sides making it 7a=49 7 times what is 49? That is a
