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Ipad2901
@Ipad2901
July 2022
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Решите уравнение:
1. 7x + 3 = 30 - 2x
2. 5 - 2 (x - 1) = 4 - x
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Umakhan
7x+3=30-2x 5-2(x-1)=4-x
7x+2x=30-3 5-2x-2=4-x
9x=27 -2x+x=4+2-5
x=27:9 -1x=1
x=3 x=-1
3 votes
Thanks 3
Ipad2901
Спасибо!
Umakhan
Незачто отметь как лучший Пожалуйста
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Answers & Comments
7x+2x=30-3 5-2x-2=4-x
9x=27 -2x+x=4+2-5
x=27:9 -1x=1
x=3 x=-1