rozwiąż równanie : (0,4x-1)/3=(2x-5)/2
0,4x-1/3=2x-5/2 2*(0,4x-1)=3*(2x-5) 0,8x-2=6x-15 -2+15=6x-0,8x 13=5,2x x=2,5
(0,4x-1)/3=(2x-5)/2 /*6
2(0,4x-1) = 3(2x-5)
0,8x - 2 = 6x - 15
-5,2x = -13 /:(-5,2)
x = 2,5
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0,4x-1/3=2x-5/2
2*(0,4x-1)=3*(2x-5)
0,8x-2=6x-15
-2+15=6x-0,8x
13=5,2x
x=2,5
(0,4x-1)/3=(2x-5)/2 /*6
2(0,4x-1) = 3(2x-5)
0,8x - 2 = 6x - 15
-5,2x = -13 /:(-5,2)
x = 2,5