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6x=23-5
6x=18 /:6
x=3
Spr.:
L=5+6·3=5+18=23
P=23
L=P
==============
8·x+7=15
8x=15-7
8x=8 /:8
x=1
Spr.:
L=8·1+7=15
P=15
L=P
==============
4·h +5 = 29
4h=29-5
4h=24 /:4
h=6
Spr.:
L=4·6+5=24+5=29
P=29
L=P
==============
3·x-2 = 19
3x=19+2
3x=21 /:3
x=7
Spr.:
L=3·7-2=21-2=19
P=19
L=P
==============
4·c - 10= 14
4c=14+10
4c=24 /:4
c=6
Spr.:
L=4·6-10=24-10=14
P=14
L=P
==============
8·x +3 = 43
8x=43-3
8x=40 /:8
x=5
Spr.:
L=8·5+3=40+3=43
P=43
L=P
==============
5·s-9=6
5s=6+9
5s=15 /:5
s=3
Spr.:
L=5·3-9=15-9=6
P=6
L=P
==============
7+2·x=15
2x=15-7
2x=8 /:2
x=4
Spr.:
L=7+2·4=7+8=15
P=15
L=P
==============
6·k +3 = 33
6k=33-3
6k=30 /:6
k=5
Spr.:
L=6·5+3=30+3=33
P=33
L=P