Question

Tìm x biết   [ ( x + 50 ) . 50 - 50 ] : 50 = 50

Answer 1

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

=>(x+5).50-50=50.50

=>(x+5).50-50=2500

=>(x+5).50=2500+50

=>(x+5).50=2550

=>x+5=2550:50

=>x+5=51

=>x=51-5

=>x=46

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