Question

e ) 2005.(x-2006)=2005

g ) [(x+50).50-50] :50=50

Mấy bạn giúp mình nha !

Answer 1

e

2005.(x-2006)=2005 x-2006=2005:2005=x-2006=1 x=1+2006 x=2007

​g[(x+50).50-50]:50=50 [(x+50).50-50]=50.50=2500 (x+50).50=2500+50=2550 (x+50)=2550:50=51 x=51-50 x=1

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Answer 2

e) <=> 2005x -4022030 =2005 

   <=> 2005x = 4024035 

  => x = 4024035 /2005 = 2007

Answer 3

e) (x-2006) = 2005:2005=1

x=1+2006=2006

g) (x+50)*50-50=2500

(x+50)*50=2550

x+50=51

x=1

mk ko ghi đề nha chúc bn học tốt