Question

X-1,2=6-2X
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2 5

Answer 1

Ответ: x=2

X-1,2/2 = 6-2x/5

x-6/5/2 = 6-2x/5

5x-6/5/2 = 6-2x/5

5(5x-6)=10(6-2x)

25x-30=60-20x

25x+20x=60+30

54x=90

x=2