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lplplp3
@lplplp3
July 2022
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Решите уравнение 5•(x+5)-(3-2x)=1
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Diana0831
5•(x+5)-(3-2x)=1
5x+25-3+2x=1
7x+22=1
7x=1-22
7x=-21
x=-3
1 votes
Thanks 1
lplplp3
7x=-21 там на 7 делить?
Diana0831
7•3= 21 ведь
Diana0831
Значит один x =-3
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Answers & Comments
5x+25-3+2x=1
7x+22=1
7x=1-22
7x=-21
x=-3