Odpowiedź:
b -6x+8=4
-6x= 4-8
-6x= -4 /: (-6)
x= 4/6
x= 2/3
c 5x-14=6
5x= 20 / :5
x=4
d 9-x=24
-x= 15 /:(-1)
x= -15
e 5+4x=29
4x= 29-5
4x= 24 / : 4
x=6
f 1/5x -2=4
1/5x=6 /*5
x= 30
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Odpowiedź:
b -6x+8=4
-6x= 4-8
-6x= -4 /: (-6)
x= 4/6
x= 2/3
c 5x-14=6
5x= 20 / :5
x=4
d 9-x=24
-x= 15 /:(-1)
x= -15
e 5+4x=29
4x= 29-5
4x= 24 / : 4
x=6
f 1/5x -2=4
1/5x=6 /*5
x= 30