the number is 10.
47.5
6 or -8
5 or -7.
(-8,1)
6 or -8
Any number minus itself equals zero. Any number plus its opposite equals zero. Any number times zero equals zero.
2n + 5 = 25 < ---------------- Write the Equation 2n = 20
2
Two times Two Equals four = Two plus two You just double it.
80
3