8у= -60,4+6у
8у-6у=-60.4
2у= -60.4:2
у= -30.2
3(3х+5)=10(х-2)
9х+15=10х-20
9х-10х= -20-15
-х=-35
х=35
3/4х-2/3х+1=1/2х+1/6
1/12х-1/2х=1/6-1
-5/12х=-5/6
х=-5/6:-5/12
х=2
2у=-60,4
У=-30,2
Б) 9х+15=10х-20
9х-10х=-20-15
-х=-35
Х=35
8у= -60,4+6у
8у-6у=-60.4
2у= -60.4:2
у= -30.2
3(3х+5)=10(х-2)
9х+15=10х-20
9х-10х= -20-15
-х=-35
х=35
3/4х-2/3х+1=1/2х+1/6
1/12х-1/2х=1/6-1
-5/12х=-5/6
х=-5/6:-5/12
х=2