1]
[tex]6x=3 \ \ |:6\\\\x=0,5[/tex]
2]
[tex]2x+1=8 \ \ |-1\\\\2x=7 \ \ |:2\\\\x=3,5[/tex]
3]
[tex]\frac{1}{2}x-3=4,5 \ \ |+3\\\\\frac{1}{2}x=7,5 \ \ |\cdot2\\\\x=15[/tex]
Odpowiedź:
6x = 3 | :6
x = 0,5
2x +1 =8 | - 1
2x = 7 | :2
x = 3,5
1/2x - 3 = 4,5 | +3
1/2x = 7,5 | •2
x = 15
