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

1 Answer
Oct 21, 2016

Answer:

#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"#