Odpowiedź :
Odpowiedź:
a)5x+4=10
5x = 10 - 4
5x = 6 /: 5
x = 5/6
b)3x-5=9
3x = 9 + 5
3x = 14 /: 3
x = 14/3 = 4 i 2/3
c)-2x+3=7
-2x = 7-3
-2x = 4 /: (-2)
x = - 2
d)-4x-3=13
-4x = 13 + 3
-4x = 16/: (-4)
x = - 4
Odpowiedź:
a)5x+4=10
5x = 10 - 4
5x = 6 /: 5
x = 5/6
b)3x-5=9
3x = 9 + 5
3x = 14 /: 3
x = 14/3 = 4 i 2/3
c)-2x+3=7
-2x = 7-3
-2x = 4 /: (-2)
x = - 2
d)-4x-3=13
-4x = 13 + 3
-4x = 16/: (-4)
x = - 4