Question

Tìm x biết : 100x-100=1000

Answer 1

100x-100=1000

100(x-1)=1000

x-1=10

x=11

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Answer 2

100x-100=1000

100x=1000+100

100x=1100

x=1100:100

x=11

Answer 3

100x-100=1000

100x= 1000+100

100x= 1100

x= 1100:100

x=11