Odpowiedź:
a) 1/2 x -x = -6 +4
-1/2x= -2 / : (-1/2)
x= 4
b) x- 1/3x = 1+5
2/3x = 6 / :2/3
x =9
c)x/4 - 1/4 =2 /*4
x-1 =8
x=9
d)x/5-3 =x+1/5 / *5
x -15 = 5x +1
x-5x =1 +15
-4x= 16 / :(-4)
x= -4
e) 5/6x- 5/6= 4
5/6x=4 +5/6
5/6x= 4 5/6 / : 5/6
x=5 4/6
f) -1/2 (-x -6) = -x
1/2x + 3 =-x
1/2 x +x =-3
1,5 x = -3 / : 1,5
x= -2
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Odpowiedź:
a) 1/2 x -x = -6 +4
-1/2x= -2 / : (-1/2)
x= 4
b) x- 1/3x = 1+5
2/3x = 6 / :2/3
x =9
c)x/4 - 1/4 =2 /*4
x-1 =8
x=9
d)x/5-3 =x+1/5 / *5
x -15 = 5x +1
x-5x =1 +15
-4x= 16 / :(-4)
x= -4
e) 5/6x- 5/6= 4
5/6x=4 +5/6
5/6x= 4 5/6 / : 5/6
x=5 4/6
f) -1/2 (-x -6) = -x
1/2x + 3 =-x
1/2 x +x =-3
1,5 x = -3 / : 1,5
x= -2
Szczegółowe wyjaśnienie: