Задача 64211 0,6(х - 1) + 1,5(3х - 9) = х – 6....

62619a0ec7c98d1fdd9c1d5b

21.04.2022 20:55:02

0,6(х - 1) + 1,5(3х - 9) = х – 6.

5f3ea7e3faf909182968ddd9

21.04.2022 21:00:55

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0,6(х – 1) + 1,5(3х – 9) = х – 6

0,6*х –0,6* 1 + 1,5*3х –1,5* 9 = х – 6

0,6*х –0,6 + 4,5*х –13,5 = х – 6

5,1x - x=13,5+0,6-6

4,1x=8,1

x=8,1:4,1

x=81/41