A)36x-14=14x-36
B)7x-4=x+2
C)7x-13=8
D)3x-4=4x
E)3x+9=-3x+9
F)45x-19=19x-45
G)82x-9=-18x+1
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A )
36x-14=14x-36 | -14x
22x-14=-36|+14
22x=-22| :(22)
x=-1
B)
7x-4=x+2|+4
7x=x+6|-x
6x=6
x=1
C)
7x-13=8|+13
7x=21|:7
x=3
D)
3x-4=4x|-3x
x=-4
E)
3x+9=-3x+9|+3x
6x+9=9|-9
6x=0
x=0
F)
45x-19=19x-45|-19x
26x-19=-45|+19
26x=-26|:26
x=-1
G)
82x-9=-18x+1|+18x
100x-9=1|+9
100x= 10| :100
x= 1/10
:>
A)36x-14=14x-36
36x - 14x
-36+14
22x= -22/:22
x = -1
B)7x-4=x+2
7x - x = 2 + 4
6x = 6 / :6
x=1
C)7x-13=8
7x = 8+13
7x = 21 / : 7
x=3
D)3x-4=4x
3x-4x = 4
-x = 4 / : (-1)
x = -4
E)3x+9=-3x+9
3x+3x = 9-9
6x = 0 / :6
x=0
F)45x-19=19x-45
45x-19x = -45+19
26x = -26/:26
x=-1
G)82x-9=-18x+1
82x+18x = 1+9
100x=10/:100
x=jedna dziesiąta