решите уравнение:
1) 3(x-2)=x+2
2)5-2(x-1)=4-x
3)(7x+1)-(9x+3)=5
4)3.4+2y=7(y-2.3)
5)0.2(7-2y)=2.3-0.3(y-6)
6)2/3 (1/3x-1/2)=4x+2целых1/2
помогите ,срочно надо
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