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mikhalkovdenis
@mikhalkovdenis
July 2022
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Решите уравнение 0,5*(4+x)-0,4*(x-3)=2,5
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Di0011
0,5*(4+x)-0,4*(x-3)=2,5
2+0,5х-0,4х+1.2=2.5
0,1х=-0,7
х=-7
3 votes
Thanks 2
anna2501v
0,5(4+х)-0,4(х-3)=2,5
2+0,5х-0,4х+1,2=2,5
0,5х-0,4х=2,5-2-1,2
0,1х=-0,7
х=-0,7:0,1
х=-7
Ответ: -7.
1 votes
Thanks 1
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Answers & Comments
2+0,5х-0,4х+1.2=2.5
0,1х=-0,7
х=-7
2+0,5х-0,4х+1,2=2,5
0,5х-0,4х=2,5-2-1,2
0,1х=-0,7
х=-0,7:0,1
х=-7
Ответ: -7.