(11х + 14) - ( 5х - 8)= 25
11 x + 14 - 5 x + 8 = 25
6 x + 14 + 8 = 25
6 x + 22 = 25
6 x = 25 - 22
6 x = 3
x = 3 / 6
x = 0.5
12-4(х-3)=39-9х
12-4х+12=39-9х
12+12-39=-9х+4х
15=-5х
х=-3
2(3х+5)-3(4х-1)=11,8
6х+10-12х+3=11,8
6х-12х=11,8-10-3
6х=1,2
х=0,2
(11х + 14) - ( 5х - 8)= 25
11 x + 14 - 5 x + 8 = 25
6 x + 14 + 8 = 25
6 x + 22 = 25
6 x = 25 - 22
6 x = 3
x = 3 / 6
x = 0.5
12-4(х-3)=39-9х
12-4х+12=39-9х
12+12-39=-9х+4х
15=-5х
х=-3
2(3х+5)-3(4х-1)=11,8
6х+10-12х+3=11,8
6х-12х=11,8-10-3
6х=1,2
х=0,2