<span>а) 15х=0,15
</span>
x=0.15/15
x=0.01
<span>
</span><span>б) 3,08:у=4
</span>
y=3,08/4
y=0.77
<span>в) 3а+8а=1,87
11a-1.87=0
</span>
a=1.87/11
a=0.17
<span>г) 7z-3z=5,12
4z-5.12=0
</span>
z=5.12/4
z=1.28
<span>д) 2t+5t+3,18=25,3
7t+3.18-25.3=0
7t-22.12=0
</span>
t=22.12/7
t=3.16
<span>е) 8p-2p-14,21=75,19
6p-14.21-75.19=0
6p-89.4=0
</span>
p=89.4/6
p=14.9
<span>ж) 295,1:(n-3)=13
n-3=295,1:13
n-3-22.7=0
n-25.7=0
</span>
n=25.7
<span>з) 34×(m+1,2)=61,2
34m+40.8-61.2=0
34m-20.4=0
</span>
m=20.4/34
m=0.6
<span>и) 15×(k-0,2)=21</span>
<span>15k-3-21=0</span>
<span>15k-24=0</span>
k=24/15
k=1.6