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mananakavlelash
@mananakavlelash
July 2022
2
8
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решите уравнение( х-1)/7=(2х+1)/15
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stalonestail
(x-1)/7=(2x+1)/15
14x+7=15x-15
-x=-22
x=22
1 votes
Thanks 1
ykttttt
15(x-1)=7(2x+1)
15x-15=14x+7
15x-14x=7+15
x=22
1 votes
Thanks 0
mananakavlelash
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Answers & Comments
14x+7=15x-15
-x=-22
x=22
15x-15=14x+7
15x-14x=7+15
x=22