Question

a) 0,7x+4=0, 3x
б) -02x-18=0,7x
в) 2x-3 1/3=5/6+2 1/2
г) 8,3-8n=6n-31, 7
д) 3/4 x-1 1/4=1 3/8x+12, 5
е) 5,5-7 z=5, 8-10 z
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Answer 1

Ответ:

1. Х=-10
2. х=-20
3. х=3 1/3
4. n=2 6/7
5. x=-22
6. z=0,1