78-10x=3x
(9-y)=2y+y
7(x-8.2)=3x+19
0.2(5x-6)+2x=0.8
3-(7y+0.6)=3.6-y
3(2.5-2x)=13.5-14x
0.6y-1.5=0.3(y-4)
0.5(4-2a)=a-1.8
Пожалуйста с решением! Даю 10 б!!!
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