решите уравнения
3 ×( 2х – 1) - 3х = 6
– (0,7 – 3х)= 4,4
2х + 7 ×( х – 5,8) - 3х = 18,8
4а – (2а – 15) = 25
11 × (у – 3) - 10у = -25
0,5 ×(8 у + 6) – 2у = 7
1,2у – 0,6 × (у – 3) = 4,2
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