Решите уровнение:
1. |х+3|=0
2. |х-5|=0
3. |1+х|=0
4. |2-х|=0
5. |х-3|+0.5=0.5
6. |9+х|-0.7=0.7
1. |х+3|=0
2. |х-5|=0
3. |1+х|=0
4. |2-х|=0
5. |х-3|+0.5=0.5
6. |9+х|-0.7=0.7
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Answers & Comments
(х-3)=0 (х+3)=0
х=3 х=-3
2) |х-5|=0
(х-5) = 0 (х+5)=0
х=5 х=-5
3) |1+х|=0
(1-х)=0 (1+х)=0
-х=-1 |:(-1) х=-1
х=1
4) |2-х|=0
(2-х)=0 (2+х)=0
-х=-2 х=-2
х=2
5) |х-3|+0.5=0.5
(х-3)+0.5=0.5 (х+3)+0.5=0.5
х=0.5+2.5 х=0.5-3.5
х=3 х=-3
6) |9+х|-0.7=0.7
(9-х)-0.7=0.7 (9+х)-0.7=0.7
-х=0.7-8.3 х=0.7-8.3
х=-7.6 х=-7.6