How do you find the value of (6+7)2-1?

1 Answer
Jim G.
Oct 21, 2016

25

Explanation:

When evaluating expressions involving color(blue)"mixed operations" we must do so in a particular order.

Follow the order as set out in the acronym PEMDAS.

(6+7)xx2-1

=13xx2-1larrcolor(red)" bracket first"

=26-1larrcolor(red)" next is multiplication"

=25larrcolor(red)" finally subtraction"

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