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Rusadelin
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10 ecuatii va rog mult repede

Răspuns :

Chris02Junior
1. 2x=0, x=0
2. 2x-1=3, 2x=4, x=2
3. x-3=-8, x= -5
4. 3x-1=10, 3x=11, x=11/3
5. 3x+1=10, 3x=9, x=3
6. 5x-20=15, 5x=35, x=35/5=7
7. 4x= -48, x= -48/4 = - 12
8. 15x-3= 222, 15x=225, x=225:15=15
9. 7x+3= 24, 7x=21, x=3
10. -7x-3 =18, -7x= 21, x= -3

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