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вика491
@вика491
July 2022
1
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Уровнение
а) 3(х-7)-(9-2х)=2(12-х)-(х-10)
б) 4(2-3х)-2(9х-8)=15(1-х)+3(4-х)
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Answers & Comments
incognita001
А) 3х-21-9+2х=24-2х-х+10
3х+2х+2х+х=10+21+9+24
8х=64
х=8
б) 8х-12х-18х+16=15-15х+12-3х
12х+18х-15х-3х=-12-15+8+16
12х=-3
х=-1/4
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Answers & Comments
3х+2х+2х+х=10+21+9+24
8х=64
х=8
б) 8х-12х-18х+16=15-15х+12-3х
12х+18х-15х-3х=-12-15+8+16
12х=-3
х=-1/4