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2014-09-19T19:19:09+03:00
2a+3b=117
a=3b

2*3b+3b=117
6b+3b=117
9b=117
b=117:9
b=13

a=3*13
a=39
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2014-09-19T19:20:52+03:00


Fie a si b numerele.

2a + 3b=117

a=3b

2 * 3b + 3b = 117 => 6b + 3b = 117 => 9b = 117 => b= 13

a= 3 * 13 = 39


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