How do you evaluate #(15\div 5) + 9#?

1 Answer
Jim G.
Aug 3, 2017

#12#

Explanation:

When evaluating expressions with #color(blue)"mixed operations"# we have to evaluate them in a particular order.

#"follow the order as set out in the acronym PEMDAS"#

[P-parenthesis (brackets), E-exponents (powers),M-multiplication, D-division, A-addition, S-subtraction.]

#rArr(15-:5)+9#

#=3+9larrcolor(red)" parenthesis / division"#

#=12larrcolor(red)" addition"#

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