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allax32
@allax32
August 2022
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надо решить уравнение
3*(0.4x+7)-4*(0.8-3)=2
0.6(x+7)-0.5(x-3)=6.8
ЕСЛИ ЧТО * ЭТО ЗНАК УМНОЖИТЬ
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geges
1)1.2х+21-3.2х-12=2
1.2х-3.2х=-21+12+2
-2х=-7
х=3.5
2)0.6х+4.2-0.5х-1.5=6.8
0.6х-0.5х=-4.2+1.5+6.8
0.1х=4.1
х=41
1 votes
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Answers & Comments
1.2х-3.2х=-21+12+2
-2х=-7
х=3.5
2)0.6х+4.2-0.5х-1.5=6.8
0.6х-0.5х=-4.2+1.5+6.8
0.1х=4.1
х=41