Poziom C
a) 3.x + 10 - 2.x = 4.x + 1
b) 8-2.x - 5 + 5.x = 8 + 4.x - 3
c) 7.x - 4 + 3x + 6 = 9 - 2x + 7 +5.x
d) 1-4.x-5-5* + 2 = 6.x - 6 - 8.x - 3
e) -3.3 + 2 + x = 2.x + 6 + 2 x + 2
f) 4.* + 7 +5.x = 6.x + 12 + 2x​