rozwiąż równanie
a) 4:x=2:5
b)x/=4/3
c)3-2x/12=3/2
d)1-x/4=1+x/3
e)2-3x/6=7/3
f)x+4/3=x-2/2
a) 4/x=2/5 |*1/4
1/x=2/20
2x=20 | :2
x=10
b) Co to jest?
c)3-2x/12=3/2 | *12
36-2x=18
-2x=18-36
-2x= -18 | :(-2)
x=9
d)1-x/4=1+x/3 |*12
12-3x=12+4x
-7x=0
x=0
e)2-3x/6=7/3|*6
12-3x=14
-3x=2|:(-3)
x=-2/3
x-x=-2/2-4/3
0x=1-1 1/3
0=-1,3
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a) 4/x=2/5 |*1/4
1/x=2/20
2x=20 | :2
x=10
b) Co to jest?
c)3-2x/12=3/2 | *12
36-2x=18
-2x=18-36
-2x= -18 | :(-2)
x=9
d)1-x/4=1+x/3 |*12
12-3x=12+4x
-7x=0
x=0
e)2-3x/6=7/3|*6
12-3x=14
-3x=2|:(-3)
x=-2/3
f)x+4/3=x-2/2
x-x=-2/2-4/3
0x=1-1 1/3
0=-1,3