rozwiąż równiania: 3x=5+2x
-x-3=x-4
3x=5+2x
3x-5=2x
3x-2x=5
x=5
-x-3=x-4-2x=-1 / *(-1)2x = 1 /:2x=1/2
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3x=5+2x
3x-5=2x
3x-2x=5
x=5
-x-3=x-4
-2x=-1 / *(-1)
2x = 1 /:2
x=1/2