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Thebookloverr
a fost răspuns

/ = pe
• =ori
1/2 • [1/2 •(1/2x -1) -1] +1 = 5/4

Răspuns :

Didi12342
1/2 × [1/2 × (x/2 - 1) - 1] + 1 = 5/4

1/2 × [1/2 × (x-2)/2 - 1] + 1 = 5/4

1/2 × [(x-2)/4 - 1] + 1 = 5/4

1/2 × (x-2-4)/4 + 1 = 5/4

1/2 × (x-6)/4 + 1 = 5/4

(x-6)/8 + 1 = 5/4 |×8

x - 6 + 8 = 10

x = 10 + 6 - 8

x = 8

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