## Elementary Technical Mathematics

Use the order of operations to solve. $6+2(5\times4-2)$ $\longrightarrow$ simplify in parenthesis first; multiply $=6+2(20-2)$ $\longrightarrow$ simplify in parenthesis first; subtract $=6+2(18)$ $\longrightarrow$ multiply $=6+36$ $\longrightarrow$ add $=42$