How do you evaluate #(10\div ( - 9+ 6\times 5) ) \times ( - 2)#?

2 Answers
Feb 28, 2017

#-20/21#

Explanation:

Remember PEMDAS

#(10 divide (-9 + 30)) times (-2)#

#(10 divide 21) times (-2)#

#-20/21#

Mar 1, 2017

#-20/21#

Explanation:

#(10-:(-9+6 xx 5)) xx (-2))#

#:.=(10-:(-9+30)) xx (-2))#

#:.=10-:21 xx -2#

#:.=10 xx 1/21 xx -2#

#:.=10/21 xx -2/1#

#:.=-20/21#