Пошаговое объяснение:
18/30-х=4/30+6/30
4/30+6/30=10/30.
18/30-x=10/30
х=18/30-10/30
х=8/30
18/30-8/30=4/30+6/30
(13/67+6/67)-х=9/67
13/67+6/67=19/67
19/67-х=9/67
х=19/67-9/67
х=10/67
(13/67+6/67)-10/67=19/67
10/15+(5/15-х)=14/15
5/15-х=14/15-10/15
5/15-х=4/15
х=5/15-4/15
х=1/15
34/60+8/60+у=41/60+16/60
41/60+16/60=57/60
34/60+8/60+у=57/60
у=57/60-34/60-8/60
у=15/60
35/60+8/60+15/60=41/60+16/60
64/70-(х+26/70)=5/70
х+26/70=64/70-5/70
х+26/70=59/70
х=59/70-26/70
х=33/70
64/70-(33/70+26/70)=5/70
х+27/46=35/46+2/46
35/46+2/46=37/46
х+27/46=37/46
х=37/46-27/46
х=10/46
10/46+27/46=35/46+2/46
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Answers & Comments
Пошаговое объяснение:
18/30-х=4/30+6/30
4/30+6/30=10/30.
18/30-x=10/30
х=18/30-10/30
х=8/30
18/30-8/30=4/30+6/30
(13/67+6/67)-х=9/67
13/67+6/67=19/67
19/67-х=9/67
х=19/67-9/67
х=10/67
(13/67+6/67)-10/67=19/67
10/15+(5/15-х)=14/15
5/15-х=14/15-10/15
5/15-х=4/15
х=5/15-4/15
х=1/15
10/15+(5/15-х)=14/15
34/60+8/60+у=41/60+16/60
41/60+16/60=57/60
34/60+8/60+у=57/60
у=57/60-34/60-8/60
у=15/60
35/60+8/60+15/60=41/60+16/60
64/70-(х+26/70)=5/70
х+26/70=64/70-5/70
х+26/70=59/70
х=59/70-26/70
х=33/70
64/70-(33/70+26/70)=5/70
х+27/46=35/46+2/46
35/46+2/46=37/46
х+27/46=37/46
х=37/46-27/46
х=10/46
10/46+27/46=35/46+2/46