Răspunsuri

2014-11-15T16:23:28+02:00
2*{12+3*[60-3*(27-4*3)]}-5x=7
2*{12+3*[60-3*(27-12)]}-5x=7
2*{12+3*[60-3*15]}-5x=7
2*{12+3*[60-45]-5x=7
2*{12+3*15}-5x=7
2*{12+45}-5x=7
2*57-5x=7
114-5x=7
5x=114+7
5x=121
x=121/5=24,2
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