# How do you evaluate the expression 5[8+(3-1)]-2?

Sep 29, 2014

The order of operations is indicated by the mnemonic device PEMDAS: parentheses (brackets), exponents, multiplication, division, addition, subtraction.

$\text{5[8 + (3 - 1)] - 2}$ =
Do the subtraction in parentheses first.

$\text{5[8 + 2] - 2}$ =
Do the addition in brackets next.

$\text{5[10] - 2}$ =
Multiply 5 x 10 next.

$\text{50 - 2}$ =
Do the subtraction.

$\text{48}$