Реши уравнения0.8(х-2)-0.7(х-1)=2.7

Question

Реши уравнения0.8(х-2)-0.7(х-1)=2.7

Answer 1

0.8(х-2)-0.7(х-1)=2.7
0.8x-1,6-0,7x+0,7=2,7
0,1x-2.3=2.7
0,1x=2,7+2,3
0,1x= 11,3
x=
x=113
Ответ: x=113

Comments

-1/6+0/7=2/3

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-1.6+0.7=2.3?????

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-1.6+0.7=-0.9

Answer 2

0.8х-1.6-0.7х+0.=2.7
0.1х=2+1.6
0.1х=3.6
х=36