Odpowiedź:
6x - 12 = 3
6x = 3 + 12
6x = 15
x = [tex]\frac{5}{2}[/tex]
A. 2x - 4 = 1
2x = 1 +4
2x = 5
x = [tex]\frac{5}{2}[/tex]
B. 6x - 10 = 5
6x = 5 + 10
6x = 15
x = [tex]\frac{5}{2}[/tex]
C. x - 2 = 3
x = 3 + 2
x = 5
D. 12x - 10 = 20
12x = 20 + 10
12x = 30
x = [tex]\frac{5}{2}[/tex]
Odpowiedź: C
