Odpowiedź :
a) x = 15-8
x = 7
B) 3x = 14-2
3x = 12 /:3
x = 4
C) 8x = 24 /:8
x = 3
d) x = 10-6
x = 4
e ) 2x = 9+5
2x = 14 /:2
x = 7
x = 7
B) 3x = 14-2
3x = 12 /:3
x = 4
C) 8x = 24 /:8
x = 3
d) x = 10-6
x = 4
e ) 2x = 9+5
2x = 14 /:2
x = 7