(cˇm = cˇn ⇒ m=n)
(1/7)ˇ(5x-3) = 1/49
(1/7)ˇ(5x-3)=(1/7)²
5x-3=2, 5x=5, x=1
Otvet: x=1
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(cˇm = cˇn ⇒ m=n)
(1/7)ˇ(5x-3) = 1/49
(1/7)ˇ(5x-3)=(1/7)²
5x-3=2, 5x=5, x=1
Otvet: x=1