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000011111
@000011111
July 2022
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Решите уравнение:
1/(7х+9)=1/(5х+6)
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love67
Verified answer
Решим методом пропорции
1/(7х+9)=1/(5х+6)
1*(5х+6)=1 *(7х+9)
5х-7х=9-6
-2х=3
х=-1,5
проверим
1
=
1______
7*(-1,5)+9 5*(-1,5)+6
1/(-1,5) =1 /(-1,5)
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Answers & Comments
Verified answer
Решим методом пропорции1/(7х+9)=1/(5х+6)
1*(5х+6)=1 *(7х+9)
5х-7х=9-6
-2х=3
х=-1,5
проверим
1 = 1______
7*(-1,5)+9 5*(-1,5)+6
1/(-1,5) =1 /(-1,5)