Ответ:
1)
(х-2)÷5=7 х-2=35 х=37
х÷3-2=8 х÷3=10 х=30
(х+1)÷4+1=7 (х+1)÷4=6 х+1=24 х=23
2)
10÷(х-1)=5 х-1=2 х=3
15÷(х+2)-1=2 15÷(х+2)=3 х+2=5 х=3
10-16÷х=6 16÷х=4 х=4
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Ответ:
1)
(х-2)÷5=7 х-2=35 х=37
х÷3-2=8 х÷3=10 х=30
(х+1)÷4+1=7 (х+1)÷4=6 х+1=24 х=23
2)
10÷(х-1)=5 х-1=2 х=3
15÷(х+2)-1=2 15÷(х+2)=3 х+2=5 х=3
10-16÷х=6 16÷х=4 х=4