January 2019 1 20 Report
Zad z matmy, proszę o pomoc :D

zad 1
a) 3x - (2-x) = 3x + 2 - (4x+5) - 9
b) 4 - x - (5x+4) = 3 - (2x-7) - 10
c) 1 - (2-x) - 4x = 7 + 5x + 2 (x+1)
d) 3 (x-2) - 5 (x+1) = -4 (x-2) + 2 (x+1)

zad 2
a)  \frac{1}{3}x - \frac{4}{5} = \frac{2}{5} x - \frac{1}{3}
b)  \frac{3}{2} - \frac{1}{2} x= \frac{1}{3} x + \frac{5}{3}
c)  \frac{2-x}{3} - \frac{x+1}{2} = 1
d)  \frac{x+1}{2} - \frac{3x+5}{4} = \frac{x-2}{2}
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