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-z| -z
VV
z=-6
spr.2*(-6)=-6-6
-12=-12
b)3t-11=2t+2
-2t| |-2t
VV
+11| +11
t=13
spr.3*13-11=2*13+2
39-11=26+2
28=28
c)5+2u=9-3u
+3u| |+3u
5+5u=9
-5| |-5
5u=4
:5| |:5
u=4/5
spr.5+2*4/5=9-3*4/5
5+8/5=9-12/5
6 3/5=6 3/5
d)5v-3=4v-2
-4v| |-4v
v-3=-2
+3| |+3
v=1
spr.5*1-3=4*1-2
5-3=4-2
2=2