Q18. - Algebra 2

Question

Find the value of each expression

18. $3\left(8+3\right)-4$

Step-by-Step Solution

Answer

Value of $3\left(8+3\right)-4$ is 29

Step 1 - Order for simplification

To evaluate any expression involving more than one operation, follow the below order of operations:

• First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
• Evaluate the exponents.
• Perform Multiplication and division from left to right.
• Perform addition and subtraction from left to right

Step 2 - Simplify expression inside grouping symbol

To evaluate the value of the given expression, first simplify the expression inside the parenthesis and then multiply it with 3 as shown below

$\begin{array}{c}3\left(8+3\right)-4=3\left(11\right)-4\\ =33-4\end{array}$

Step 4 - Subtract 4 from 33

Now, to simplify further subtract the numbers to get

 $33-4=29$