ManiBee ManiBee

05-02-2015
Mathematics

Answered

Eight times the difference of a number and nine is the opposite of eight

Answer :

05-02-2015

x - the number

[tex]8(x-9)=-8 \ \ \ |\div 8 \\ x-9=-1 \ \ \ |+9 \\ x=8[/tex]

The number is 8.

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