x-9=4, y+7=15, 35-x=30
х-9=4
х= 9+4
х=13
13-9=4
у+7=15
у=15-7
у=8
8+7=15
35-Х=30
Х=35-30
Х=5
35-5=30
х -9 =4
х = 4 +9
х =13
проверка :
13 - 9 = 4
у +7 =15
у =15 -7
у =8
8 + 7=15
35 -х = 30
х =35 -30
х =5
35 -5 =30
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Verified answer
х-9=4
х= 9+4
х=13
13-9=4
у+7=15
у=15-7
у=8
8+7=15
35-Х=30
Х=35-30
Х=5
35-5=30
Verified answer
х -9 =4
х = 4 +9
х =13
проверка :
13 - 9 = 4
у +7 =15
у =15 -7
у =8
проверка :
8 + 7=15
35 -х = 30
х =35 -30
х =5
проверка :
35 -5 =30
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