Use PEMDAS:
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)
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3 divide (9-6) +4 times 2
[tex]3\div(9-6)+4\times2=3\div3+8=1+8=9[/tex]