Errorx
Rozwiązane

a) 2x – 7 - [3 - 2x - 2(1-2x)] = x - 1] – 11
b) 10 – [2(1-x) - 3(2x + 5)] = 2(x + 5)+1
c) 8 - 3x - 2[4 - (x + 5)] = 3(x + 1) - 1
d 1 - 2x - 3[2x-(-5+x)] = x + 4