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приветик23
@приветик23
August 2022
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решите пожайлуста номер 185
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ilyxa111
А) 1/2*(х+4/5)-(1/5-х)
х/2+4/10-2/10+х
1,5х-2/10=0
15/10х=2/10
х=2/15
б) -2/3*(6/7-у)+(2/7+у)
-12/21+2/3у+2/7+у
-4/7+2/7+5/3у
5/3у=2/7
у=6/35
в) -(у+1/8)+3/4*(2+у)
-у-1/8+6/4+3/4у
-1/4у+11/8=0
1/4у=11/8
у=11/2
г) 1/9*(3/5-х)-(х-1/15)
3/45-1/9х-х+1/15
3/45-50/45х+3/45
50/45х=6/45
х=6/50=3/25
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Answers & Comments
х/2+4/10-2/10+х
1,5х-2/10=0
15/10х=2/10
х=2/15
б) -2/3*(6/7-у)+(2/7+у)
-12/21+2/3у+2/7+у
-4/7+2/7+5/3у
5/3у=2/7
у=6/35
в) -(у+1/8)+3/4*(2+у)
-у-1/8+6/4+3/4у
-1/4у+11/8=0
1/4у=11/8
у=11/2
г) 1/9*(3/5-х)-(х-1/15)
3/45-1/9х-х+1/15
3/45-50/45х+3/45
50/45х=6/45
х=6/50=3/25