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(1,2x-3,5)•3+4,25=5,27​

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Dianageorgiana794ask

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(1,2x-3,5)•3+4,25=5,27​

(1,2x-3,5)·3=5,27-4,25

3,6x-10,5=1,02

3,6x=1,02+10,5

x=11,52:3,6

x=3,2

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