Odpowiedź :
Odpowiedź:
a) 2*x = 12-2*x
2x=12-2x
2x- 2x = 12
x= 12
b) 9*x=3*x+12
9x= 3x + 12
9x + 3x = 12
12x = 12/:12
x = 1
c) 10*x=4*x+4
10x = 4x+4
10x+4x = 4
14x = 4/:14
x = 4/14
Odpowiedź:
a) 2*x = 12-2*x
2x=12-2x
2x- 2x = 12
x= 12
b) 9*x=3*x+12
9x= 3x + 12
9x + 3x = 12
12x = 12/:12
x = 1
c) 10*x=4*x+4
10x = 4x+4
10x+4x = 4
14x = 4/:14
x = 4/14