Suggested languages for you:

Americas

Europe

Q1.

Expert-verified
Found in: Page 17

### Pre-algebra

Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

# Evaluate the expression.$28-63÷7$

The value of the expression is 19.

See the step by step solution

## Step-1 – Order of operations

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 – Divide 63 by 7

In the given expression, there is no grouping symbols and exponents in it. So, to evaluate the expression first divide 63 by 7 to get 9

$\begin{array}{l}28-63÷7\\ =28-9\end{array}$

## Step-3 – Subtract the resulting numbers

Now to simplify further, subtract the numbers to get

$\begin{array}{l}28-63÷7\\ =28-9\\ =19\end{array}$

Thus, the value of the expression is .19.