1. 7x+3=30-2x
2. 0,2х+2,7=1,4-1,1х
3. 5,4-1,5х=0,3х-3,6
4. 3(x- 2)=x +2
5. 5-2(x-1)=4-x
6. 3,4+2y=7(y-2,3)
7. 0,2 (7 - 2y = 2,3 - 0,3 (у-6)​
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