## Elementary Algebra

$-3a+1.9b$
We first group like terms to ease simplification. We will then combine like terms to simplify the expression: $3.2a-1.4b-6.2a+3.3b$ =$3.2a-6.2a-1.4b+3.3b$ =$(3.2a-6.2a)+(-1.4b+3.3b)$ =$(-3.0a)+(-1.4b+3.3b)$ =$(-3.0a)+(1.9b)$ =$-3a+1.9b$