Matematică
alexmarius200
2016-04-15 19:52:00
4(3x-5)+3(4x-7)=10x-13
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Cont şters
2016-04-16 00:24:42

12x-20+12x-21=10x-13 24x-41=10x-13 24x-10x=-13+41 14x=28 x=28:14 x=2

stefysocherel
2016-04-16 00:25:57

4(3x-5)+3(4x-7)=10x-13 12x-20+12x-21=10x-13 24x-10x=20+21-13 14x=28 x=28:14 a=2

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