0.2*(3|x|-5)-3*(0.4-0.3|x|)=-0.7
Предмет:
МатематикаАвтор:
squirtfcyr0,2(3х-5)-3(0,4-0,3х)=-0,7
0,6х-1-1,2+0,9х=-0,7
0,6х+0,9х=1+1,2-0,7
1,5х=1,5
х=1
Ответ: 1
Автор:
teddy-bear0,2*(3|x|-5)-3*(0,4-0,3|x|)=-0,7
0,6|x|-1-1,2+0,9|x|=-0,7
1,5 |x|-2,2=-0,7
1,5 |x|=-0,7+2,2
1,5 |x|= 1, 5
|x|=1
х = 1 или х = -1
Автор:
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