move the 3 to the 7 side. it will become negative.
9x-5x=7-3
4x=4
x=1
20%, I believe. The piece of wood lost 2 ounces of moisture after drying, and 2/10 = 20/100
thank you for the information
but where is the question??????
The answer to the question is 14
x^4 + 14x^2 + 49
(x^2 + 7)^2
perfect square
There will be 23 student photo’s on 48 poster boards. All you have to do is divide 1,104 with 48