# How do you find the value of 7-20div5?

Oct 20, 2016

3

#### Explanation:

In this expression structure the divide has priority over the subtract so we have the equivalent of:

$7 - \frac{20}{5} \text{ "->" } 7 - 4 = 3$

Oct 20, 2016

$3$

#### Explanation:

P.E.M.D.A.S

• Parenthesis
• Exponent
• Multiply
• Divide
• Subtract

The two mathematical processes involved in this problem are subtraction and division.

So, according to the order of operations, you are to divide then subtract.

Divide

$7 - 20 \div 5$

Subtract

$7 - 4$

$3$