Решите уравнения: а) 6х+12=-7х+25 б) х+6(3-3х)=35 в) 1/3+1=-1/4(х+4/5). Created by Alina4500. matematika-ru

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June 2022 1 38 Report

Решите уравнения:
а) 6х+12=-7х+25 б) х+6(3-3х)=35
в) 1/3+1=-1/4(х+4/5)

Answers & Comments

jekadva а)
6х+12=-7х+25
6x+7x=25-12
13x=13
x=13:13
x=1
б)
х+6(3-3х)=35
x+18-18x=35
-17x+18=35
-17x=35-18
-17x=17
x=17:(-17)
x=-1
в)
1/3+1=-1/4(х+4/5)
4/3=-1/4x-1/5
1/4x=-1/5-4/3
1/4x=-3/15 - 20/15
1/4x=-23/15
x=-23/15*4/1
x=-92/15
x=-6 2/15

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kakie territorii ohvatila grecheskaya kolonizaciya

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