Решить уравнение 1) 0,8-(1,5х-2)=0,5(х-1)-0,8
2) 0,6х-5(0,3х+0,2)=0,5(х-1)-0,8
3) 1/7(7/8у+7)-3/4(2/9у+1целая7/9)=1/12
4) 5/27(5,4-8,1у)=0,03+4/17(6,8-3,4у)
2) 0,6х-5(0,3х+0,2)=0,5(х-1)-0,8
3) 1/7(7/8у+7)-3/4(2/9у+1целая7/9)=1/12
4) 5/27(5,4-8,1у)=0,03+4/17(6,8-3,4у)
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-1,5x-0,5x= -1-0,8-0,8-2
-3x= -4,6
x =4,6/3