zad 1 6 (1/4x - 2) =18 zad 2 x+2/3 + x-1/3 = 1 zad 3 2x+3/5 = 2-x/3 + x
zad 1
6 (1/4x - 2) =18
zad 2
x+2/3 + x-1/3 = 1
zad 3
2x+3/5 = 2-x/3 + x
Odpowiedź
1. 1,5x - 12 = 18 | + 12 1,5x = 30 |:1,5 x = 20 2. x + 2/3 + x - 1/3 = 1 2x = 2/3 |:2 x = 1/3
zad 1 x = 13,333.. zad 2 x = 1/3 zad 3 x = 4
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