Ответ:
3х-y= 2,5
3x- y-2,5=o
10(3x-y-2,5)= 10×o
10×3x-10y-10×2,5=0
3x-10y-10×2,5=0
30x-10y-25=o
(30x-10y-25)÷5=0÷5
30x÷5-10y÷5-25÷5=0÷5
30 x÷5-10y÷5-25÷5=0
6x-10y÷5-25÷5=0
6x-2y-25÷5=0
6x-2y-5=o
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Answers & Comments
Ответ:
3х-y= 2,5
3x- y-2,5=o
10(3x-y-2,5)= 10×o
10×3x-10y-10×2,5=0
3x-10y-10×2,5=0
30x-10y-25=o
(30x-10y-25)÷5=0÷5
30x÷5-10y÷5-25÷5=0÷5
30 x÷5-10y÷5-25÷5=0
6x-10y÷5-25÷5=0
6x-2y-25÷5=0
6x-2y-5=o