## Algebra 1: Common Core (15th Edition)

2.1h$\times$3=6.3h. A great way to prove that two expressions are not equal if the statement looks false is to plug in a number and see if the expressions are equal. Consider h=2. 6.3 times 2 equals 12.6, but 6.3 plus 2 equals 8.3, so the pair is not equal.