Могу 5 помочь.
0.6(5x-3)=9-(7.8-4x)
3x-1.8=9-7.8+36x
-33x=3
x=-
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Могу 5 помочь.
0.6(5x-3)=9-(7.8-4x)
3x-1.8=9-7.8+36x
-33x=3
x=-