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sonya160904
@sonya160904
June 2022
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Решите уравнение:
3,4х+1,02 2х+0,6
-------------- = -----------
1/5-1/6 1/10-1/11
Заранее спасибо
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TARTILLO
Verified answer
Решите уравнение:
3,4х+1,02 2х+0,6
-------------- = --------------
⇔(3,4х+1,02 )·( 1/10-1/11)=(2х+0,6)·(1/5-1/6 )
1/5-1/6 1/10-1/11
(3,4х+1,02 )·( 11/110-10/110)=(2х+0,6)·(6/30-5/30 ) ⇔
(3,4х+1,02) (2х+0,6)
--------------- = ----------- ⇔ 3·(3,4х+1,02)=11·(2х+0,6) ⇔10,2x+3,06=22x+6,6
110 30
10,2x+3,06=22x+6,6 ⇔11,8x= -3,54 x= -3,54/11,8= -0,3
проверка:
3,4·(-0,3)+1,02 ? 2(-0,3)+0,6 -1,02+1,02 -0,6+06
------------------ = -------------- ⇔ -------------- = ------------- , 0=0
1/5-1/6 1/10-1/11 1/30 1/110
верно
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Verified answer
Решите уравнение:3,4х+1,02 2х+0,6
-------------- = -------------- ⇔(3,4х+1,02 )·( 1/10-1/11)=(2х+0,6)·(1/5-1/6 )
1/5-1/6 1/10-1/11
(3,4х+1,02 )·( 11/110-10/110)=(2х+0,6)·(6/30-5/30 ) ⇔
(3,4х+1,02) (2х+0,6)
--------------- = ----------- ⇔ 3·(3,4х+1,02)=11·(2х+0,6) ⇔10,2x+3,06=22x+6,6
110 30
10,2x+3,06=22x+6,6 ⇔11,8x= -3,54 x= -3,54/11,8= -0,3
проверка:
3,4·(-0,3)+1,02 ? 2(-0,3)+0,6 -1,02+1,02 -0,6+06
------------------ = -------------- ⇔ -------------- = ------------- , 0=0
1/5-1/6 1/10-1/11 1/30 1/110
верно