1)|9+х|=0 2) |5х+6|=0 3)|х-7|=0 4) |2х+1|=0 5) |4х+3|=3 6) |х-8|=5. Created by Тулекбекова. matematika-ru

1)|9+х|=0 2) |5х+6|=0 3)|х-7|=0 4) |2х+1|=0 5) |4х+3|=3 6) |х-8|=5...

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1)|9+х|=0
2) |5х+6|=0
3)|х-7|=0
4) |2х+1|=0
5) |4х+3|=3
6) |х-8|=5

Answers & Comments

malakasha 1. |9+x|=0
9+х=0
х=-9
2. |5х+6|=0
5х+6=0
5x=-6
x=-6/5 =-1.2
3. |х-7|=0
x-7=0
x=7
4.|2х+1|=0
2x+1=0
2x=-1
x=-1/2=-0.5
5.|4х+3|=3
4x+3=3
4x=0
x=0
или
4x+3=-3
4x=-3-3
4x=-6
x=-3/2=-1.5
6. |х-8|=5
x-8=5
x=13
или x-8=-5
x=-5+8
x=3

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