Ответ:
a)
3(x+0,6)=3-x
3x+1,8=3-x
3x+x=3-1,8
4x=1,2
x=1,2:4
x=0,3
б)
5/7x-3/14x=-2
7/14x=-2
0,5x=-2
x=-2:0,5
x=-4
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Verified answer
Ответ:
a)
3(x+0,6)=3-x
3x+1,8=3-x
3x+x=3-1,8
4x=1,2
x=1,2:4
x=0,3
б)
5/7x-3/14x=-2
7/14x=-2
0,5x=-2
x=-2:0,5
x=-4