Odpowiedź :
Odpowiedź:
d) x - 1 = 6
x = 7
f) 2(3 - x) = -10 /:2
3 - x = -5
x = 8
g) 3(2 - 3x) = -24
2 - 3x = -8
-3x= -10
x = 10/3= 3 1/3
h) x - 3 =5(9 - x)
x - 3 = 45 - 5x
x + 5x = 45 + 3
6x = 48
x = 8
Odpowiedź:
d) x - 1 = 6
x = 7
f) 2(3 - x) = -10 /:2
3 - x = -5
x = 8
g) 3(2 - 3x) = -24
2 - 3x = -8
-3x= -10
x = 10/3= 3 1/3
h) x - 3 =5(9 - x)
x - 3 = 45 - 5x
x + 5x = 45 + 3
6x = 48
x = 8