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x=13
3t-11=2t+2
niewiem...
x=13
3t-11=2t+2 |-2t
t-11=2 |+11
t=13
y-45=54 |+45
y=99
5+2u=9-3u |+3u
5+5u=9 |-5
5u=9 |/5
u=1,8
2z=2-6
2z= -4 |/2
z= -2
5v-3=4v+2 |+3
5v=4v+5 |-4v
v=5