5*(х-2)+2*(3-х)=12
12(х-2)+(-4+х)=0
-(2-х)+3*(2х-3)=2
2*(3-х)-21*(х-1)=0
12(х-2)+(-4+х)=0
-(2-х)+3*(2х-3)=2
2*(3-х)-21*(х-1)=0
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Answers & Comments
5х-10+6-2х=12
3х-4=12
3х=12+4
3х=16
х=16/3
х=5 1/3
12(х-2)+(-4+х)=0
12х-24-4+х=0
13х-28=0
13х=0+28
13х=28
х=28/13
х=2ц2/13
-(2-х)+3*(2х-3)=2
-2+х+6х-9=2
7х-11=2
7х=2+11
7х=13
х=13/7
х=1ц6/7
2*(3-х)-21*(х-1)=0
6-2х-21х+21=0
27-23х=0
23х=27-0
х=27/23
х=1ц4/23