Question

What is `23-12-:4*2+15`?

Answer 1

`32`

Explanation:

There are 3 terms. work out each one separately and and the single answers in the last step.

`color(magenta)(23)color(blue)(-12 div4 xx2) color(red)( +15)`

=`color(magenta)(23)color(blue)(-12/4 xx2) color(red)( +15)`

=`color(magenta)(23)color(blue)(-3xx2) color(red)( +15)`

=`color(magenta)(23)color(blue)(-6) color(red)( +15)`

To avoid confusion, write all the additions at the beginning, then the subtractions:

=`color(magenta)(23) color(red)(+15)color(blue)(-6)`

=`32`