Rozwiążcie mi te równania:
-12 4/5 x = 1,6
-7 5/6 + x = 8 1/3
4-x= 29/30
-0,07 (10x-1)= 0,3x
2a (do potęgi 2) + 7= a(1+2a)
(y+3) : 2 - (1-y) = 3,5
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x=-1/8
x=16 1/6
x=3 1/30
x=7/100
a=7
y=2