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a) 12-4=x 12-4= 8 x=8
b)35-27=x x=8
c) -7+18+x x+ -25
d)16+9=x x=25
e) -13+81=68 x=68
f) -19+20=x x= 1
licze na naj :)
x=-8
b)27-x=35
-x=8
x=-8
c)18+x=-7
x=-25
d)x-16=-9
x=-9+16
x=7
e)81-x=-13
-x=-81-13
-x=-94
x=94
f)-19+x=20
x=20+19
x=39
Licze na naj :)