Rozwiąż równania:
a)2x - 3 = -9
b)-7 + 4x = -3
c)6 - 2x = 11
d)-8 - 4x = 12
e)-9-3x = -5
f)17 = 2x - 9
g)-1= 5x- 6
h)-24= 3x- 12
i)-1= -4x + 9
j)-6= 5-x
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a)2x-3=-9
2x=-9+3
2x=-6 /:2
x=-3
b)-7+4x=-3
4x=-3+7
4x=4 /:4
x=1
c)6-2x=11
2x=6-11
2x= -5 /:2
x=-2,5
d)-8-4x=12
4x=-8-12
4x=-20 /:4
x=-5
e)-9-3x=-5
3x=-9+5
3x=-4 /:3
x= -4/3
f)17=2x-9
2x=17+9
2x=26 /:2
x=13
g)-1=5x-6
5x=-1+6
5x=5 /:5
x=1
h)-24=3x-12
3x=12-24
3x=-12 /:3
x=-4
i)-1=-4x+9
4x=9+1
4x=10 /:4
x=2,5
j)-6=5-x
x=5+6
x=11
a)
2x - 3 = -9
2x = -9 + 3
2x = -6
x = -3
b)
-7 + 4x = -3
4x = -3 + 7
4x = 4
x = 1
c)
6 - 2x = 11
-2x = 11 - 6
-2x = 5
x = -2,5
d)
-8 - 4x = 12
-4x = 12 + 8
-4x = 20
x = -5
e)
-9-3x = -5
-3x = -5 + 9
-3x = 4
x = -4/3
f)
17 = 2x - 9
-2x = -9 - 17
-2x = -26
x = 13
g)
-1= 5x- 6
-5x = -6 + 1
-5x = -5
x = 1
h)
-24= 3x- 12
-3x = -12 + 24
-3x = 12
x = -4
i)
-1= -4x + 9
4x = 9 + 1
4x = 10
x = 10/4
x = 2,5
j)
-6= 5-x
x = 5 + 6
x = 11