Odpowiedź:
Legenda:
v - lub
a)
|x-4|=1
x-4=1 v x-4=-1
x=5 v x=3
b)
|x+1|=2
x+1=2 v x+1=-2
x=1 v x=-3
c)
|x+4|=1
x+4=1 v x+4=-1
x=-3 v x=-5
d)
|5-x|=2
5-x=2 v 5-x=-2
x=3 v x=7
e)
2|x+3|=10
2(x+3)=10 v 2(x+3)=-10
2x+6=10 v 2x+6=-10
x=2 v x=-8
f)
-3|x-2|=-12
-3(x-2)=-12 v -3(x-2)=12
x-2=4 v x-2=-4
x=6 v x=-2
Mam nadzieje że pomogłem;)
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Verified answer
Odpowiedź:
Legenda:
v - lub
a)
|x-4|=1
x-4=1 v x-4=-1
x=5 v x=3
b)
|x+1|=2
x+1=2 v x+1=-2
x=1 v x=-3
c)
|x+4|=1
x+4=1 v x+4=-1
x=-3 v x=-5
d)
|5-x|=2
5-x=2 v 5-x=-2
x=3 v x=7
e)
2|x+3|=10
2(x+3)=10 v 2(x+3)=-10
2x+6=10 v 2x+6=-10
x=2 v x=-8
f)
-3|x-2|=-12
-3(x-2)=-12 v -3(x-2)=12
x-2=4 v x-2=-4
x=6 v x=-2
Mam nadzieje że pomogłem;)