Odpowiedź:
a)4×-3=3× +5
×=8
b)2×=5
×=2,5
c)3× - 1 =0
3×=1
d)-6× -6 = 24
-6× = 18
x = -2
e) -7x + 14=3x - 1
-10x = -15
f)4x -4 =6 + 6x
-2x = 10
x = -5
