Odpowiedź:
a)
3x = 7 /: 3
x = 7/3
x = 2 i 1/3
b)
2x = 9 /: 2
x = 9/2
x = 4 i 1/2
c)
7x = 10 /: 7
x = 10/7
x = 1 i 3/7
d)
9x = 3 /: 9
x = 3/9
x = 1/3
e)
8x = 10 /: 8
x = 10/8
x = 5/4
x = 1 i 1/4
