Oblicz niewiadomą x:
[( 2/3x + 5) : 3 - 0,5] : 1,5 = 1
Proszę o wszystkie obliczenia a nie tylko odpowiedź.
[( 2/3x + 4) : 3 - 0,5] : 1,5 = 1
[2/9x+4/3-0,5]:1,5=1
4/27x+8/9-2/6=1 /-8/9
4/27x-2/6=1/9 /+2/6
4/27x=1/9+2/6
4/27x=2/18+6/18
4/27x=6/18 /:4/27
x=18/6
x=3
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[( 2/3x + 4) : 3 - 0,5] : 1,5 = 1
[2/9x+4/3-0,5]:1,5=1
4/27x+8/9-2/6=1 /-8/9
4/27x-2/6=1/9 /+2/6
4/27x=1/9+2/6
4/27x=2/18+6/18
4/27x=6/18 /:4/27
x=18/6
x=3