Răspunsuri

2014-11-02T18:30:57+02:00
A)  4x+14+3x-3=6x+18-18
4x+3x-6x=-14
x=-14
b)  15x-15+8-12x=9-2x-8
15x-12x+2x=-8+9+15-8
5x=8
x=8/5
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2014-11-02T18:34:46+02:00
4x+14+3x-3=6x+18-18
7x-6x=-11
x=-11
b) 15x-15+8-12x=9-2x-8
5x=1+15-8=8
x=8/5
2 5 2