18/30 - х = 4/30 + 6/30 34/60 + 8/60 + у = 41/60 + 16/60
18/30 - х = 10/30 42/60 + у = 57/60
х = 18/30 - 10/30 у = 57/60 - 42/60
х = 8/30 у = 15/60
х = 4/15 у = 1/4
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(13/67 + 6/67) - х = 9/67 64/70 - (х + 26/70) = 5/70
19/67 - х = 9/67 х + 26/70 = 64/70 - 5/70
х = 19/67 - 9/67 х + 26/70 = 59/70
х = 10/67 х = 59/70 - 26/70
х = 33/70
10/15 + (5/15 - х) = 14/15 х + 27/46 = 35/46 + 2/46
5/15 - х = 14/15 - 10/15 х + 27/46 = 37/46
5/15 - х = 4/15 х = 37/46 - 27/46
х = 5/15 - 4/15 х = 10/46
х = 1/15 х = 5/23
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Verified answer
18/30 - х = 4/30 + 6/30 34/60 + 8/60 + у = 41/60 + 16/60
18/30 - х = 10/30 42/60 + у = 57/60
х = 18/30 - 10/30 у = 57/60 - 42/60
х = 8/30 у = 15/60
х = 4/15 у = 1/4
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(13/67 + 6/67) - х = 9/67 64/70 - (х + 26/70) = 5/70
19/67 - х = 9/67 х + 26/70 = 64/70 - 5/70
х = 19/67 - 9/67 х + 26/70 = 59/70
х = 10/67 х = 59/70 - 26/70
х = 33/70
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10/15 + (5/15 - х) = 14/15 х + 27/46 = 35/46 + 2/46
5/15 - х = 14/15 - 10/15 х + 27/46 = 37/46
5/15 - х = 4/15 х = 37/46 - 27/46
х = 5/15 - 4/15 х = 10/46
х = 1/15 х = 5/23