Răspunsuri

2014-11-18T13:43:40+02:00
[(x+43)*5]-184=51=> [x+43]*5=184+51 => (x+43)*5=235; x+43=235:5; x+43=47=> x=47-43; x=4
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2014-11-18T13:50:27+02:00
A + 43 = b; b x 5 = c; c - 184 = 51
c = 51 + 184
c = 235;
b x 5 = 235
b = 235 : 5
b = 47
a + 43 = 47
a = 47 - 43
a = 4
Nr la care m-am gandit este 4.

21 4 21