Oblicz .
a ) 3x + 5 =7x-1
b) 2 (3x-1) =4(x+5)
3) 2x -1
_______ = 5x+2 =
4 ____
3
d) 1/3 x - 2= 5/6 x+ 3
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a) 3x-7x=-1-5
-4x=-6/-4
x=6/4
b)6x-2=4x+20 6x-4x=20+2 2x=22/2 x=11
c)3(2x-1)=4(5x+2) 6x-20x=8+3 -14x=11 x=-11/14
d)2/6x - 5/6x=3+2 -4/6x=5 x=5*(-6/4)= -7,5